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Planning and monitoring decompression subsection</span> </button> <ul id="toc-Planning_and_monitoring_decompression-sublist" class="vector-toc-list"> <li id="toc-Decompression_algorithms" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Decompression_algorithms"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Decompression algorithms</span> </div> </a> <ul id="toc-Decompression_algorithms-sublist" class="vector-toc-list"> <li id="toc-Choice_of_tables_or_algorithms" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Choice_of_tables_or_algorithms"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1.1</span> <span>Choice of tables or algorithms</span> </div> </a> <ul id="toc-Choice_of_tables_or_algorithms-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Decompression_tables" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Decompression_tables"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Decompression tables</span> </div> </a> <ul id="toc-Decompression_tables-sublist" class="vector-toc-list"> <li id="toc-Commonly_used_decompression_tables" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Commonly_used_decompression_tables"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.1</span> <span>Commonly used decompression tables</span> </div> </a> <ul id="toc-Commonly_used_decompression_tables-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_published_tables" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Other_published_tables"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.2</span> <span>Other published tables</span> </div> </a> <ul id="toc-Other_published_tables-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Recreational_Dive_Planner" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Recreational_Dive_Planner"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.3</span> <span>Recreational Dive Planner</span> </div> </a> <ul id="toc-Recreational_Dive_Planner-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Decompression_software" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Decompression_software"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Decompression software</span> </div> </a> <ul id="toc-Decompression_software-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Personal_decompression_computers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Personal_decompression_computers"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Personal decompression computers</span> </div> </a> <ul id="toc-Personal_decompression_computers-sublist" class="vector-toc-list"> <li id="toc-Decompression_using_a_personal_decompression_computer" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Decompression_using_a_personal_decompression_computer"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4.1</span> <span>Decompression using a personal decompression computer</span> </div> </a> <ul id="toc-Decompression_using_a_personal_decompression_computer-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Ratio_decompression" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ratio_decompression"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.5</span> <span>Ratio decompression</span> </div> </a> <ul id="toc-Ratio_decompression-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Controlling_depth_and_ascent_rate" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Controlling_depth_and_ascent_rate"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Controlling depth and ascent rate</span> </div> </a> <button aria-controls="toc-Controlling_depth_and_ascent_rate-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Controlling depth and ascent rate subsection</span> </button> <ul id="toc-Controlling_depth_and_ascent_rate-sublist" class="vector-toc-list"> <li id="toc-Shot_lines" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Shot_lines"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Shot lines</span> </div> </a> <ul id="toc-Shot_lines-sublist" class="vector-toc-list"> <li id="toc-Jonlines" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Jonlines"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.1</span> <span>Jonlines</span> </div> </a> <ul id="toc-Jonlines-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Decompression_trapezes" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Decompression_trapezes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.2</span> <span>Decompression trapezes</span> </div> </a> <ul id="toc-Decompression_trapezes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Downline" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Downline"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Downline</span> </div> </a> <ul id="toc-Downline-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Upline" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Upline"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Upline</span> </div> </a> <ul id="toc-Upline-sublist" class="vector-toc-list"> <li id="toc-Positive_buoyancy_emergency_ascent_upline" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Positive_buoyancy_emergency_ascent_upline"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.1</span> <span>Positive buoyancy emergency ascent upline</span> </div> </a> <ul id="toc-Positive_buoyancy_emergency_ascent_upline-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Surface_marker_buoy_and_delayed_surface_marker_buoy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Surface_marker_buoy_and_delayed_surface_marker_buoy"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Surface marker buoy and delayed surface marker buoy</span> </div> </a> <ul id="toc-Surface_marker_buoy_and_delayed_surface_marker_buoy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Decompression_station" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Decompression_station"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>Decompression station</span> </div> </a> <ul id="toc-Decompression_station-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Diving_stages_and_wet_bells" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Diving_stages_and_wet_bells"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>Diving stages and wet bells</span> </div> </a> <ul id="toc-Diving_stages_and_wet_bells-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Decompression_gas" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Decompression_gas"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Decompression gas</span> </div> </a> <button aria-controls="toc-Decompression_gas-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Decompression gas subsection</span> </button> <ul id="toc-Decompression_gas-sublist" class="vector-toc-list"> <li id="toc-Stage_cylinders" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Stage_cylinders"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Stage cylinders</span> </div> </a> <ul id="toc-Stage_cylinders-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Surface_panel_gas_switching" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Surface_panel_gas_switching"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Surface panel gas switching</span> </div> </a> <ul id="toc-Surface_panel_gas_switching-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Continuously_variable_mixture_in_closed_circuit_rebreathers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Continuously_variable_mixture_in_closed_circuit_rebreathers"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Continuously variable mixture in closed circuit rebreathers</span> </div> </a> <ul id="toc-Continuously_variable_mixture_in_closed_circuit_rebreathers-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Surface_decompression_equipment" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Surface_decompression_equipment"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Surface decompression equipment</span> </div> </a> <button aria-controls="toc-Surface_decompression_equipment-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Surface decompression equipment subsection</span> </button> <ul id="toc-Surface_decompression_equipment-sublist" class="vector-toc-list"> <li id="toc-Deck_decompression_chambers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Deck_decompression_chambers"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Deck decompression chambers</span> </div> </a> <ul id="toc-Deck_decompression_chambers-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dry_bells_and_Saturation_systems" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dry_bells_and_Saturation_systems"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Dry bells and Saturation systems</span> </div> </a> <ul id="toc-Dry_bells_and_Saturation_systems-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <button aria-controls="toc-References-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle References subsection</span> </button> <ul id="toc-References-sublist" class="vector-toc-list"> <li id="toc-Sources" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sources"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Sources</span> </div> </a> <ul id="toc-Sources-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" 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Click here for more information."><img alt="This is a good article. Click here for more information." src="//upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/19px-Symbol_support_vote.svg.png" decoding="async" width="19" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/29px-Symbol_support_vote.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/94/Symbol_support_vote.svg/39px-Symbol_support_vote.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Diving_stage&redirect=no" class="mw-redirect" title="Diving stage">Diving stage</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Equipment used by divers to facilitate decompression </div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">Decompression equipment</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Diving_stage.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Diving_stage.jpg/220px-Diving_stage.jpg" decoding="async" width="220" height="331" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Diving_stage.jpg/330px-Diving_stage.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/15/Diving_stage.jpg/440px-Diving_stage.jpg 2x" data-file-width="1594" data-file-height="2400" /></a></span><div class="infobox-caption">Surface supplied diver on diving stage</div></td></tr><tr><th scope="row" class="infobox-label">Uses</th><td class="infobox-data">Equipment used by divers to facilitate decompression</td></tr><tr><th scope="row" class="infobox-label">Related items</th><td class="infobox-data"><a href="/wiki/Dive_computer" title="Dive computer">Dive computer</a>, <a href="/wiki/Decompression_practice" title="Decompression practice">Decompression practice</a>, <a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a>, <a href="/wiki/Diving_chamber" title="Diving chamber">Diving chamber</a></td></tr></tbody></table> <p>There are several categories of <b>decompression equipment</b> used to help divers <a href="/wiki/Decompression_practice" title="Decompression practice">decompress</a>, which is the process required to allow divers to return to the surface safely after spending time underwater at higher ambient pressures. </p><p>Decompression obligation for a given <a href="/wiki/Dive_profile" title="Dive profile">dive profile</a> must be calculated and monitored to ensure that the risk of <a href="/wiki/Decompression_sickness" title="Decompression sickness">decompression sickness</a> is controlled. Some equipment is specifically for these functions, both during planning before the dive and during the dive. Other equipment is used to mark the underwater position of the diver, as a position reference in low visibility or currents, or to assist the diver's ascent and control the depth. </p><p>Decompression may be shortened ("accelerated") by breathing an oxygen-rich "decompression gas" such as a <a href="/wiki/Nitrox" title="Nitrox">nitrox</a> blend or pure <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>. The high partial pressure of oxygen in such decompression mixes produces the effect known as the <a href="/wiki/Oxygen_window" title="Oxygen window">oxygen window</a>.<sup id="cite_ref-VanLiew1965_1-0" class="reference"><a href="#cite_note-VanLiew1965-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> This decompression gas is often carried by scuba divers in side-slung cylinders. <a href="/wiki/Cave_diving" title="Cave diving">Cave divers</a> who can only return by a single route, can leave decompression gas cylinders attached to the guideline ("stage" or "drop cylinders") at the points where they will be used.<sup id="cite_ref-PADI_2010_2-0" class="reference"><a href="#cite_note-PADI_2010-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Surface-supplied_diving" title="Surface-supplied diving">Surface-supplied divers</a> will have the composition of the breathing gas controlled at the <a href="/wiki/Gas_panel" class="mw-redirect" title="Gas panel">gas panel</a>.<sup id="cite_ref-US_Navy_Diving_Manual_R6_8-5_3-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_R6_8-5-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Divers with long decompression obligations may be decompressed inside gas filled <a href="/wiki/Hyperbaric_chamber" class="mw-redirect" title="Hyperbaric chamber">hyperbaric chambers</a> in the water or at the surface, and in the extreme case, <a href="/wiki/Saturation_diving" title="Saturation diving">saturation divers</a> are only decompressed at the end of a project, contract, or tour of duty that may be several weeks long. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Planning_and_monitoring_decompression">Planning and monitoring decompression</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=1" title="Edit section: Planning and monitoring decompression"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Equipment for planning and monitoring decompression includes decompression tables, <a href="/wiki/Depth_gauge" title="Depth gauge">depth gauges</a>, timers, surface computer software, and <a href="/wiki/Dive_computer" title="Dive computer">personal decompression computers</a>. There is a wide range of choice. </p> <div class="mw-heading mw-heading3"><h3 id="Decompression_algorithms">Decompression algorithms</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=2" title="Edit section: Decompression algorithms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png" class="mw-file-description"><img alt="Graph of inert gas tension in 16 theoretical tissue compartments during and shortly after a decompression dive using a trimix bottom gas and two decompression gases, namely Nitrox 50 and 100% oxygen." src="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png/550px-Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png" decoding="async" width="550" height="413" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png/825px-Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/30/Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png/1100px-Inert_gas_tensions_in_the_tissue_compartments_during_a_decompression_dive.png 2x" data-file-width="1714" data-file-height="1288" /></a><figcaption>Inert gas tension in the tissue compartments during a decompression dive with gas switching to accelerate decompression, as predicted by a decompression algorithm</figcaption></figure> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/B%C3%BChlmann_decompression_algorithm" title="Bühlmann decompression algorithm">Bühlmann decompression algorithm</a>, <a href="/wiki/Thalmann_algorithm" title="Thalmann algorithm">Thalmann algorithm</a>, <a href="/wiki/Reduced_gradient_bubble_model" title="Reduced gradient bubble model">Reduced gradient bubble model</a>, and <a href="/wiki/Varying_Permeability_Model" title="Varying Permeability Model">Varying Permeability Model</a></div> <p>A <b>decompression <a href="/wiki/Algorithm" title="Algorithm">algorithm</a></b> is used to calculate the <a href="/wiki/Decompression_stop" class="mw-redirect" title="Decompression stop">decompression stops</a> needed for a particular <a href="/wiki/Dive_profile" title="Dive profile">dive profile</a> to reduce the risk of <a href="/wiki/Decompression_sickness" title="Decompression sickness">decompression sickness</a> occurring after surfacing at the end of a dive. The algorithm can be used to generate decompression schedules for a particular dive profile, <a href="/wiki/Decompression_tables" class="mw-redirect" title="Decompression tables">decompression tables</a> for more general use, or be implemented in <a href="/wiki/Dive_computer" title="Dive computer">dive computer</a> software. </p> <div class="mw-heading mw-heading4"><h4 id="Choice_of_tables_or_algorithms">Choice of tables or algorithms</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=3" title="Edit section: Choice of tables or algorithms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During the 1980s the US recreational diving community tended to move away from the US Navy tables to a range of tables published by other organisations, including several of the diver certification agencies (BSAC, NAUI, PADI).<sup id="cite_ref-Huggins_1992_I-1_4-0" class="reference"><a href="#cite_note-Huggins_1992_I-1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Depending on the table or computer chosen the range of no-decompression limits at a given depth on air can vary considerably, for example for 100 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a> (30 <a href="/wiki/Metres_sea_water" class="mw-redirect" title="Metres sea water">msw</a>) the no stop limit varies from 25 to 8 minutes. It is not possible to discriminate between "right" and "wrong" options, but it is considered correct to say that the risk of developing DCS is greater for the longer exposures and less for the shorter exposures.<sup id="cite_ref-Huggins_1992_I-1_4-1" class="reference"><a href="#cite_note-Huggins_1992_I-1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The choice of tables for professional diving use is generally made by the organisation employing the divers. For recreational training it is usually prescribed by the certifying agency, but for recreational purposes the diver is generally free to make use of any of the published tables, and for that matter, to modify them to suit himself or herself.<sup id="cite_ref-Huggins_1992_I-1_4-2" class="reference"><a href="#cite_note-Huggins_1992_I-1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Decompression_tables">Decompression tables</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=4" title="Edit section: Decompression tables"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Decompression_table_bsac_nitrox.jpg" class="mw-file-description"><img alt="Decompression tables in the format of a small, ring-bound booklet." src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Decompression_table_bsac_nitrox.jpg/220px-Decompression_table_bsac_nitrox.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Decompression_table_bsac_nitrox.jpg/330px-Decompression_table_bsac_nitrox.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Decompression_table_bsac_nitrox.jpg/440px-Decompression_table_bsac_nitrox.jpg 2x" data-file-width="800" data-file-height="600" /></a><figcaption><a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">BSAC</a> <a href="/wiki/Nitrox" title="Nitrox">nitrox</a> decompression tables</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Nitrox_tables.JPG" class="mw-file-description"><img alt="Decompression tables condensed and printed on two sides of a plastic card." src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Nitrox_tables.JPG/220px-Nitrox_tables.JPG" decoding="async" width="220" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Nitrox_tables.JPG/330px-Nitrox_tables.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Nitrox_tables.JPG/440px-Nitrox_tables.JPG 2x" data-file-width="1049" data-file-height="656" /></a><figcaption>The PADI Nitrox tables are laid out in what has become a common format for no-stop recreational tables</figcaption></figure> <p><b>Dive tables</b> or <b>decompression tables</b> are tabulated data, often in the form of printed cards or booklets, that allow divers to determine a decompression schedule for a given dive profile and <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a>.<sup id="cite_ref-Huggins_1992_4_5-0" class="reference"><a href="#cite_note-Huggins_1992_4-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>With dive tables, it is generally assumed that the <a href="/wiki/Dive_profile" title="Dive profile">dive profile</a> is a <i>square dive</i>, meaning that the diver descends to maximum depth immediately and stays at the same depth until resurfacing (approximating a rectangular outline when drawn in a <a href="/wiki/Coordinate_system" title="Coordinate system">coordinate system</a> where one axis is depth and the other is duration).<sup id="cite_ref-Air_table_6-0" class="reference"><a href="#cite_note-Air_table-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Some dive tables also assume physical condition or acceptance of a specific level of risk from the diver.<sup id="cite_ref-Huggins_1992_4-15_7-0" class="reference"><a href="#cite_note-Huggins_1992_4-15-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Some recreational tables only provide for no-stop dives at sea level sites,<sup id="cite_ref-Huggins_1992_4_5-1" class="reference"><a href="#cite_note-Huggins_1992_4-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> but the more complete tables can take into account staged decompression dives and dives performed at <a href="/wiki/Altitude_diving" title="Altitude diving">altitude</a>.<sup id="cite_ref-Air_table_6-1" class="reference"><a href="#cite_note-Air_table-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Commonly_used_decompression_tables">Commonly used decompression tables</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=5" title="Edit section: Commonly used decompression tables"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/US_Navy" class="mw-redirect" title="US Navy">US Navy</a> tables<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch9-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/B%C3%BChlmann_decompression_algorithm#Tables" title="Bühlmann decompression algorithm">Bühlmann tables</a><sup id="cite_ref-Buhlmann_1984_9-0" class="reference"><a href="#cite_note-Buhlmann_1984-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Buhlmann_1995_10-0" class="reference"><a href="#cite_note-Buhlmann_1995-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Buhlmann_1992_11-0" class="reference"><a href="#cite_note-Buhlmann_1992-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li>Royal Navy (RNPL) tables<sup id="cite_ref-RNPL1972_12-0" class="reference"><a href="#cite_note-RNPL1972-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-RRR9431_13-0" class="reference"><a href="#cite_note-RRR9431-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">BSAC</a> 88 tables<sup id="cite_ref-powell2008-203_14-0" class="reference"><a href="#cite_note-powell2008-203-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/PADI" class="mw-redirect" title="PADI">PADI</a> tables: the recreational dive planner (RDP) and "the wheel"<sup id="cite_ref-Hamilton_15-0" class="reference"><a href="#cite_note-Hamilton-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup></li> <li>DCIEM tables<sup id="cite_ref-powell2008-209-13_16-0" class="reference"><a href="#cite_note-powell2008-209-13-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-RRR3870_17-0" class="reference"><a href="#cite_note-RRR3870-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></li> <li>French Navy MN90 tables<sup id="cite_ref-MN90_18-0" class="reference"><a href="#cite_note-MN90-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/NAUI" class="mw-redirect" title="NAUI">NAUI</a> Dive tables<sup id="cite_ref-Huggins_1992_4-11_19-0" class="reference"><a href="#cite_note-Huggins_1992_4-11-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading4"><h4 id="Other_published_tables">Other published tables</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=6" title="Edit section: Other published tables"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Jeppesen<sup id="cite_ref-Huggins_1992_4-10_20-0" class="reference"><a href="#cite_note-Huggins_1992_4-10-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup></li> <li>Huggins<sup id="cite_ref-Huggins_1992_4-11_19-1" class="reference"><a href="#cite_note-Huggins_1992_4-11-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li> <li>German (Bühlmann/Hahn)<sup id="cite_ref-Huggins_1992_4-11_19-2" class="reference"><a href="#cite_note-Huggins_1992_4-11-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li> <li>Pandora tables<sup id="cite_ref-Huggins_1992_4-11_19-3" class="reference"><a href="#cite_note-Huggins_1992_4-11-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li> <li>1% Risk<sup id="cite_ref-Huggins_1992_4-15_7-1" class="reference"><a href="#cite_note-Huggins_1992_4-15-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading4"><h4 id="Recreational_Dive_Planner">Recreational Dive Planner</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=7" title="Edit section: Recreational Dive Planner"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:PADI_RDP.JPG" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/PADI_RDP.JPG/220px-PADI_RDP.JPG" decoding="async" width="220" height="278" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/PADI_RDP.JPG/330px-PADI_RDP.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/PADI_RDP.JPG/440px-PADI_RDP.JPG 2x" data-file-width="536" data-file-height="677" /></a><figcaption>The PADI recreational dive planner, in "Wheel" format.</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Recreational_Dive_Planner" title="Recreational Dive Planner">Recreational Dive Planner</a></div> <p>The <b>Recreational Dive Planner</b> (or <b>RDP</b>) is a set of devices marketed by PADI with which no-stop time underwater can be calculated.<sup id="cite_ref-Duis1991_21-0" class="reference"><a href="#cite_note-Duis1991-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> The RDP was developed by <a href="/wiki/Diving_Science_and_Technology" title="Diving Science and Technology">DSAT</a> and was the first dive table developed exclusively for recreational, no stop diving.<sup id="cite_ref-Hamilton_15-1" class="reference"><a href="#cite_note-Hamilton-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> There are four types of RDPs: the original table version first introduced in 1988, The Wheel version, the original electronic version or eRDP introduced in 2005 and the latest electronic multi-level version or eRDPML introduced in 2008.<sup id="cite_ref-Big_Blue_2008_22-0" class="reference"><a href="#cite_note-Big_Blue_2008-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>The low price and convenience of many modern <a href="/wiki/Dive_computer" title="Dive computer">dive computers</a> mean that many <a href="/wiki/Recreational_diving" title="Recreational diving">recreational divers</a> only use tables such as the RDP for a short time during training before moving on to use a diving computer.<sup id="cite_ref-Huggins_23-0" class="reference"><a href="#cite_note-Huggins-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Decompression_software">Decompression software</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=8" title="Edit section: Decompression software"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Decompression software such as Departure, DecoPlanner, Ultimate Planner, Z-Planner, V-Planner and GAP are available, which simulate the decompression requirements of different <a href="/wiki/Dive_profile" title="Dive profile">dive profiles</a> with different gas mixtures using <a href="/wiki/Decompression_algorithms" class="mw-redirect" title="Decompression algorithms">decompression algorithms</a>.<sup id="cite_ref-Departure_24-0" class="reference"><a href="#cite_note-Departure-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Decoplanner_25-0" class="reference"><a href="#cite_note-Decoplanner-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Ultimate_26-0" class="reference"><a href="#cite_note-Ultimate-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GAP_27-0" class="reference"><a href="#cite_note-GAP-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>Decompression software can be used to generate tables or schedules matched to a diver's planned dive profile and <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a> mixtures. The usual procedure is to generate schedules for the intended profile and for the most likely contingency profiles, such as slightly greater depth, delayed ascent and early ascent. Sometimes an emergency minimum decompression schedule and a more conservative schedule will be generated to allow the diver further options.<sup id="cite_ref-CMASISATxManual_28-0" class="reference"><a href="#cite_note-CMASISATxManual-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p><p>Decompression software is available based on: </p> <ul><li>US Navy models – both the dissolved phase and mixed phase models</li> <li><a href="/wiki/B%C3%BChlmann_algorithm" class="mw-redirect" title="Bühlmann algorithm">Bühlmann algorithm</a>, e.g. Z-planner</li> <li><a href="/wiki/Reduced_Gradient_Bubble_Model" class="mw-redirect" title="Reduced Gradient Bubble Model">Reduced Gradient Bubble Model</a> (RGBM), e.g. GAP</li> <li><a href="/wiki/Varying_Permeability_Model" title="Varying Permeability Model">Varying Permeability Model</a> (VPM), e.g. V-Planner</li></ul> <p>and variations of these </p><p>V-Planner runs the variable permeability model, developed by D.E. Yount and others in 2000, and allows the choice of VPM-B and VPM-B/E, with six conservatism levels (baseline plus five incrementally more conservative ones).<sup id="cite_ref-Validation_workshop_29-0" class="reference"><a href="#cite_note-Validation_workshop-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> GAP allows the user to choose between a multitude of Bühlmann-based algorithms and the full reduced gradient bubble model, developed by Bruce Wienke in 2001, in its five conservatism levels (baseline, two incrementally more liberal and two incrementally more conservative).<sup id="cite_ref-Validation_workshop_29-1" class="reference"><a href="#cite_note-Validation_workshop-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Personal_decompression_computers">Personal decompression computers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=9" title="Edit section: Personal decompression computers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:3_dive_computers_P3160383.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/3_dive_computers_P3160383.JPG/330px-3_dive_computers_P3160383.JPG" decoding="async" width="330" height="248" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/3_dive_computers_P3160383.JPG/495px-3_dive_computers_P3160383.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/3_dive_computers_P3160383.JPG/660px-3_dive_computers_P3160383.JPG 2x" data-file-width="4608" data-file-height="3456" /></a><figcaption>HSE Explorer Trimix and rebreather dive computer. Suunto Mosquito with aftermarket strap and iDive DAN recreational dive computers</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Dive_computer" title="Dive computer">Dive computer</a></div> <p>The personal decompression computer, or dive computer, is a small computer designed to be worn by a diver during a dive, with a <a href="/wiki/Pressure_sensor" class="mw-redirect" title="Pressure sensor">pressure sensor</a> and an electronic <a href="/wiki/Timer" title="Timer">timer</a> mounted in a waterproof and pressure resistant housing and which has been programmed to model the inert gas loading of the diver's tissues in real time during a dive.<sup id="cite_ref-Lang_and_Hamilton_1989_30-0" class="reference"><a href="#cite_note-Lang_and_Hamilton_1989-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> Most are wrist mounted, but a few are mounted in a console with the submersible pressure gauge and possibly other instruments. A display allows the diver to see critical data during the dive, including the maximum and current depth, duration of the dive, and decompression data including the remaining no decompression limit calculated in real time for the diver throughout the dive. Other data such as water temperature and cylinder pressure are also sometimes displayed. The dive computer has the advantages of monitoring the actual dive, as opposed to the planned dive, and does not assume on a "square profile" – it dynamically calculates the real profile of pressure exposure in real time, and keeps track of residual gas loading for each tissue used in the algorithm.<sup id="cite_ref-Validation_31-0" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Dive computers also provide a measure of safety for divers who accidentally dive a different profile to that originally planned. If the diver exceeds a no-decompression limit, decompression additional to the ascent rate will be necessary. Most dive computers will provide the necessary decompression information for acceptably safe ascent in the event that the no-decompression limits are exceeded.<sup id="cite_ref-Validation_31-1" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>The use of computers to manage recreational dive decompression is becoming the standard and their use is also common in occupational scientific diving. Their value in surface supplied commercial diving is more restricted, but they can usefully serve as a dive profile recorder.<sup id="cite_ref-Azzopardi_and_Sayer_2010_32-0" class="reference"><a href="#cite_note-Azzopardi_and_Sayer_2010-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Decompression_using_a_personal_decompression_computer">Decompression using a personal decompression computer</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=10" title="Edit section: Decompression using a personal decompression computer"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The personal decompression computer provides a real time modelling of the inert gas load on the diver according to the decompression algorithm programmed into the computer by the manufacturer, with possible personal adjustments for conservatism and altitude set by the user. In all cases the computer monitors the depth and elapsed time of the dive, and many allow user input specifying the gas mixture.<sup id="cite_ref-Validation_31-2" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>Most computers require the diver to specify the mixture before the dive, but some allow the choice of mixture to be changed during the dive, which allows for the use of gas switching for accelerated decompression. A third category, mostly used by closed circuit rebreather divers, monitors the partial pressure of oxygen in the breathing mix using a remote oxygen sensor, but requires diver intervention to specify the inert gas constituents and ratio of the mix in use.<sup id="cite_ref-Validation_31-3" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>The computer retains the diver's pressure exposure history, and continuously updates the calculated tissue loads on the surface, so the current tissue loading should always be correct according to the algorithm, though it is possible to provide the computer with misleading input conditions, which can nullify its reliability.<sup id="cite_ref-Validation_31-4" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>This ability to provide real-time tissue loading data allows the computer to indicate the diver's current decompression obligation, and to update it for any permissible profile change, so the diver with a decompression ceiling does not have to decompress at any specific depth provided the ceiling is not violated, though the decompression rate will be affected by the depth. As a result, the diver can make a slower ascent than would be called for by a decompression schedule computed by the identical algorithm, as may suit the circumstances, and will be credited for gas elimination during the slower ascent, and penalised if necessary for additional ingassing for those tissues affected. This provides the diver with an unprecedented flexibility of dive profile while remaining within the safety envelope of the algorithm in use.<sup id="cite_ref-Validation_31-5" class="reference"><a href="#cite_note-Validation-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Ratio_decompression">Ratio decompression</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=11" title="Edit section: Ratio decompression"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Ratio_decompression" title="Ratio decompression">Ratio decompression</a></div> <p>Ratio decompression (usually referred to in abbreviated form as ratio deco) is a technique for calculating decompression schedules for scuba divers engaged in deep diving without using dive tables, decompression software or a dive computer. It is generally taught as part of the "DIR" philosophy of diving promoted by organisations such Global Underwater Explorers (GUE) and Unified Team Diving (UTD) at the advanced technical diving level. It is designed for decompression diving executed deeper than standard recreational diving depth limits using trimix as a "bottom mix" breathing gas.<sup id="cite_ref-powell2008-213=217_33-0" class="reference"><a href="#cite_note-powell2008-213=217-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>It is largely an empirical procedure, and has a reasonable safety record within the scope of its intended application. Advantages are reduced overall decompression time and for some versions, easy estimation of decompression by the use of a simple rule-based procedure which can be done underwater by the diver. It requires the use of specific gas mixtures for given depth ranges. The advantages claimed are flexibility in that if the depth is not known accurately, the schedule can be adjusted during the dive to allow for the actual depth, and that it allows deep dives without the use of an expensive trimix dive computer.<sup id="cite_ref-powell2008-213=217_33-1" class="reference"><a href="#cite_note-powell2008-213=217-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>Limitations include that a consistent set of gases must be used which match the specific ratio model, and the specific ratio will only be relevant to a limited range of depths. As the parameters move away from the base conditions, conservatism will diverge, and the probability of symptomatic bubble formation will become more unpredictable. There is also the requirement for the diver to do mental arithmetic at depth to calculate the parameters of a safety-critical operation. This may be complicated by adverse circumstances or an emergency situation.<sup id="cite_ref-powell2008-213=217_33-2" class="reference"><a href="#cite_note-powell2008-213=217-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Controlling_depth_and_ascent_rate">Controlling depth and ascent rate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=12" title="Edit section: Controlling depth and ascent rate"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A critical aspect of successful decompression is that the depth and ascent rate of the diver must be monitored and sufficiently accurately controlled. Practical in-water decompression requires a reasonable tolerance for variation in depth and rate of ascent, but unless the decompression is being monitored in real time by a decompression computer, any deviations from the nominal profile will affect the risk. Several items of equipment are used to assist in facilitating accurate adherence to the planned profile, by allowing the diver to more easily control depth and ascent rate, or to transfer this control to specialist personnel at the surface.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9-11_34-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch9-11-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Shot_lines">Shot lines</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=13" title="Edit section: Shot lines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Diving_shot" title="Diving shot">Diving shot</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Divers_ascending_at_shotline_labeled.png" class="mw-file-description"><img alt="diagram of a shot line showing the weight at the bottom and float at the surface connected by a rope, with a diver ascending along the line and another using the line as a visual reference for position while decompressing." src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Divers_ascending_at_shotline_labeled.png/220px-Divers_ascending_at_shotline_labeled.png" decoding="async" width="220" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Divers_ascending_at_shotline_labeled.png/330px-Divers_ascending_at_shotline_labeled.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Divers_ascending_at_shotline_labeled.png/440px-Divers_ascending_at_shotline_labeled.png 2x" data-file-width="800" data-file-height="1200" /></a><figcaption>Divers ascending and decompressing using a shotline</figcaption></figure> <p>A shot line is a rope between a float at the surface, and a sufficiently heavy weight holding the rope approximately vertical. The shot line float should be sufficiently buoyant to support the weight of all divers that are likely to be using it at the same time. As divers are seldom weighted to be very negatively buoyant, a positive buoyancy of 50 kg is considered adequate by some authorities for general commercial use.<sup id="cite_ref-DR2001_35-0" class="reference"><a href="#cite_note-DR2001-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> Recreational divers are free to choose lesser buoyancy at their own risk. The shot weight should be sufficient to prevent a diver from lifting it from the bottom by over-inflation of the buoyancy compensator or dry suit, but not sufficient to sink the float if the slack on the line is all taken up. Various configurations of shot line are used to control the amount of slack.<sup id="cite_ref-shotline_36-0" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p>The diver ascends along the shotline, and may use it purely as a visual reference, or can hold on to it to positively control depth, or can climb up it hand over hand. A <a href="/wiki/Jonline" class="mw-redirect" title="Jonline">Jonline</a> may be used to fasten a diver to an anchor line or shot line during a decompression stop.<sup id="cite_ref-shotline_36-1" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p><b>Shot line configurations:</b> </p> <ul><li><a href="/wiki/Diving_shot#Basic_shotline" title="Diving shot">Basic shot line</a><sup id="cite_ref-shotline_36-2" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup></li> <li>Self tensioning arrangements <ul><li>Running weight<sup id="cite_ref-shotline_36-3" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> or <a href="/wiki/Diving_shot#Top_tensioned_shotline" title="Diving shot">top tensioned shotline</a></li> <li>Running float<sup id="cite_ref-shotline_36-4" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> or <a href="/wiki/Diving_shot#Bottom_tensioned_shotline" title="Diving shot">bottom tensioned shotline</a></li></ul></li> <li>Lazy shot line<sup id="cite_ref-Edmonds_et_al_2015_37-0" class="reference"><a href="#cite_note-Edmonds_et_al_2015-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> or <a href="/wiki/Diving_shot#Lazy_shot" title="Diving shot">lazy shot</a></li></ul> <div class="mw-heading mw-heading4"><h4 id="Jonlines">Jonlines</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=14" title="Edit section: Jonlines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Jon-line_stowed_P6190004.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Jon-line_stowed_P6190004.jpg/220px-Jon-line_stowed_P6190004.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Jon-line_stowed_P6190004.jpg/330px-Jon-line_stowed_P6190004.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/39/Jon-line_stowed_P6190004.jpg/440px-Jon-line_stowed_P6190004.jpg 2x" data-file-width="4608" data-file-height="3456" /></a><figcaption>Webbing jon-line with bolt snaps, folded and bundled using velcro tabs</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Jon_line_P6190005.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Jon_line_P6190005.jpg/220px-Jon_line_P6190005.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Jon_line_P6190005.jpg/330px-Jon_line_P6190005.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Jon_line_P6190005.jpg/440px-Jon_line_P6190005.jpg 2x" data-file-width="4608" data-file-height="3456" /></a><figcaption>Webbing jon-line with bolt snaps</figcaption></figure> <p>A jonline (also jon-line or jon line) is a short line used by <a href="/wiki/Scuba_diving" title="Scuba diving">scuba divers</a> to fasten themselves to something. The original purpose was to fasten a diver to a <a href="/wiki/Shot_line" class="mw-redirect" title="Shot line">shot line</a> during <a href="/wiki/Decompression_stop" class="mw-redirect" title="Decompression stop">decompression stops</a> in current. The line is typically around 1 m (3 feet) long and equipped with a clip at each end. One clip is fastened to the diver's harness, and the other is used to fasten the line to the shot line or anchor line. In current this relieves the diver from holding on to the line during the decompression stop, and the horizontal length of the line will absorb some or all of the vertical movement of the shot line or anchor line due to wave action. </p><p>The jonline is named after Jon Hulbert, who is credited with its invention.<sup id="cite_ref-Gentile_38-0" class="reference"><a href="#cite_note-Gentile-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p><p>A jonline can also be used to tether the diver's equipment to the dive boat before or after the dive. This helps the diver to put on or take off the equipment while in the water without drifting away from the boat. It is similar to a <a href="/wiki/Buddy_line" class="mw-redirect" title="Buddy line">buddy line</a>, which is used to tether two divers together during a dive. </p> <div class="mw-heading mw-heading4"><h4 id="Decompression_trapezes">Decompression trapezes</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=15" title="Edit section: Decompression trapezes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG/220px-Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/80/Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG/330px-Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/80/Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG/440px-Leszek_Czarnecki_wyprawa_na_Atol_Bikini_2006.JPG 2x" data-file-width="871" data-file-height="653" /></a><figcaption>Scuba diver decompressing on decompression trapeze using surface supplied gas</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:False_Bay_Diving.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/False_Bay_Diving.jpg/220px-False_Bay_Diving.jpg" decoding="async" width="220" height="287" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/False_Bay_Diving.jpg/330px-False_Bay_Diving.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3d/False_Bay_Diving.jpg/440px-False_Bay_Diving.jpg 2x" data-file-width="2948" data-file-height="3844" /></a><figcaption>Divers decompressing at the trapeze which was lowered into the water when the second DSMB was deployed as a signal </figcaption></figure> <p>A <i>decompression trapeze</i> or <i>decompression bar</i> is a device used in <a href="/wiki/Recreational_diving" title="Recreational diving">recreational diving</a> and <a href="/wiki/Technical_diving" title="Technical diving">technical diving</a> to make <a href="/wiki/Decompression_stop" class="mw-redirect" title="Decompression stop">decompression stops</a> more comfortable and more secure and provide the divers' surface cover with a visual reference for the divers' position.<sup id="cite_ref-shotline_36-5" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p>It consists of a horizontal bar or bars suspended at the depth of intended decompression stops by <a href="/wiki/Buoys" class="mw-redirect" title="Buoys">buoys</a>. The bars are of sufficient weight and the buoys of sufficient <a href="/wiki/Buoyancy" title="Buoyancy">buoyancy</a> that the trapeze will not easily change depth in turbulent water or if the divers experience buoyancy control problems.<sup id="cite_ref-shotline_36-6" class="reference"><a href="#cite_note-shotline-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-newry_39-0" class="reference"><a href="#cite_note-newry-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> </p><p>Trapezes are often used with <a href="/wiki/Diving_shot" title="Diving shot">diving shots</a>. When diving in tidal waters at the end of <a href="/wiki/Slack_water" class="mw-redirect" title="Slack water">slack water</a>, the trapeze may be released from the <a href="/wiki/Diving_shot" title="Diving shot">diving shot</a> to drift in the current as the divers make their decompression stops. A decompression trapeze may also be deployed in response to a signal from the divers, in which case some care must be taken not to hit a diver while lowering the bar. </p> <ul class="gallery mw-gallery-packed"> <li class="gallerybox" style="width: 135.33333333333px"> <div class="thumb" style="width: 133.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:Shotline_basic.png" class="mw-file-description" title="Basic shotline: Weight, and float connected by a line"><img alt="Basic shotline: Weight, and float connected by a line" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Shotline_basic.png/200px-Shotline_basic.png" decoding="async" width="134" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Shotline_basic.png/300px-Shotline_basic.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Shotline_basic.png/400px-Shotline_basic.png 2x" data-file-width="800" data-file-height="1200" /></a></span></div> <div class="gallerytext">Basic shotline: Weight, and float connected by a line</div> </li> <li class="gallerybox" style="width: 135.33333333333px"> <div class="thumb" style="width: 133.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:Shotline_bottom_tensioned.png" class="mw-file-description" title="Bottom tensioned shotline: The line passes through a ring at the weight and is tensioned by a small float, often a small lift bag which can later help lift the shot as the air expands."><img alt="Bottom tensioned shotline: The line passes through a ring at the weight and is tensioned by a small float, often a small lift bag which can later help lift the shot as the air expands." src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Shotline_bottom_tensioned.png/200px-Shotline_bottom_tensioned.png" decoding="async" width="134" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Shotline_bottom_tensioned.png/300px-Shotline_bottom_tensioned.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Shotline_bottom_tensioned.png/400px-Shotline_bottom_tensioned.png 2x" data-file-width="800" data-file-height="1200" /></a></span></div> <div class="gallerytext">Bottom tensioned shotline: The line passes through a ring at the weight and is tensioned by a small float, often a small lift bag which can later help lift the shot as the air expands.</div> </li> <li class="gallerybox" style="width: 135.33333333333px"> <div class="thumb" style="width: 133.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:Shotline_top_tensioned.png" class="mw-file-description" title="Top tensioned shotline: The line passes through a ring at the float and is tensioned by a smaller weight hanging from it. This weight may be hooked to the main part of the line by a sliding clip to restrain it from swinging."><img alt="Top tensioned shotline: The line passes through a ring at the float and is tensioned by a smaller weight hanging from it. This weight may be hooked to the main part of the line by a sliding clip to restrain it from swinging." src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Shotline_top_tensioned.png/200px-Shotline_top_tensioned.png" decoding="async" width="134" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Shotline_top_tensioned.png/300px-Shotline_top_tensioned.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Shotline_top_tensioned.png/400px-Shotline_top_tensioned.png 2x" data-file-width="800" data-file-height="1200" /></a></span></div> <div class="gallerytext">Top tensioned shotline: The line passes through a ring at the float and is tensioned by a smaller weight hanging from it. This weight may be hooked to the main part of the line by a sliding clip to restrain it from swinging.</div> </li> <li class="gallerybox" style="width: 135.33333333333px"> <div class="thumb" style="width: 133.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:Shotline_lazy_shot.png" class="mw-file-description" title="A shotline with a lazy shot – a second float with a short weighted line tethered to it at just below the depth of the deepest long decompression stop."><img alt="A shotline with a lazy shot – a second float with a short weighted line tethered to it at just below the depth of the deepest long decompression stop." src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Shotline_lazy_shot.png/200px-Shotline_lazy_shot.png" decoding="async" width="134" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Shotline_lazy_shot.png/300px-Shotline_lazy_shot.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Shotline_lazy_shot.png/400px-Shotline_lazy_shot.png 2x" data-file-width="800" data-file-height="1200" /></a></span></div> <div class="gallerytext">A shotline with a lazy shot – a second float with a short weighted line tethered to it at just below the depth of the deepest long decompression stop.</div> </li> <li class="gallerybox" style="width: 135.33333333333px"> <div class="thumb" style="width: 133.33333333333px;"><span typeof="mw:File"><a href="/wiki/File:Shotline_with_deco_trapeze.png" class="mw-file-description" title="A shotline with a decompression trapeze – a series of crossbars suspended from a float at each end and ballasted as necessary, tethered to the main shotline."><img alt="A shotline with a decompression trapeze – a series of crossbars suspended from a float at each end and ballasted as necessary, tethered to the main shotline." src="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Shotline_with_deco_trapeze.png/200px-Shotline_with_deco_trapeze.png" decoding="async" width="134" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Shotline_with_deco_trapeze.png/300px-Shotline_with_deco_trapeze.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/13/Shotline_with_deco_trapeze.png/400px-Shotline_with_deco_trapeze.png 2x" data-file-width="800" data-file-height="1200" /></a></span></div> <div class="gallerytext">A shotline with a decompression trapeze – a series of crossbars suspended from a float at each end and ballasted as necessary, tethered to the main shotline.</div> </li> </ul> <div class="mw-heading mw-heading3"><h3 id="Downline">Downline</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=16" title="Edit section: Downline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Downline_(diving)" title="Downline (diving)">Downline (diving)</a></div> <p>A downline is a rope leading from the surface down to the underwater workplace. It allows a commercial diver to travel directly to and from the job site and to control rate of descent and ascent in the same way as using a shotline. Also sometimes called a jackstay.<sup id="cite_ref-Barsky_and_Christensen_2004_40-0" class="reference"><a href="#cite_note-Barsky_and_Christensen_2004-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p><p>A downline used for open ocean diving is much the same as a shotline, but does not reach all the way to the bottom. This may also be referred to as a <a href="/wiki/Lazy_shot" class="mw-redirect" title="Lazy shot">lazy shot</a>. An open-ocean downline is weighted at the bottom, and attached to a substantial float at the surface, which may be tethered to the boat. It may be marked at intervals by knots or loops, and may be attached to a decompression trapeze system. In some cases a sea anchor may be used to limit wind drift, particularly if attached to a boat with significant windage.<sup id="cite_ref-Warlaumont_41-0" class="reference"><a href="#cite_note-Warlaumont-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Upline">Upline</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=17" title="Edit section: Upline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Also known as a <i>Jersey upline</i>, an upline is a line deployed by the diver, and fixed to the bottom, usually on a wreck, to serve as a position and depth control during offshore ascents in moderate currents, where the diver wants to prevent excessive drift during decompression. The bio-degradable natural fibre line is carried on a spool and deployed connected to an inflatable decompression buoy or lift bag at the end of the dive, and the bottom end tied off to the wreck. After completing decompression and surfacing, the diver cuts the line free at the buoy, and the line sinks and naturally decomposes over a few months.<sup id="cite_ref-upline_42-0" class="reference"><a href="#cite_note-upline-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Positive_buoyancy_emergency_ascent_upline">Positive buoyancy emergency ascent upline</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=18" title="Edit section: Positive buoyancy emergency ascent upline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Also known as a tethered ascent, emergency tethered ascent or buoyant tethered ascent. A similar application is used for emergency ascent when the diver is unable to establish neutral to negative buoyancy, or when this is expected to occur at some point during the ascent, and the diver has a decompression obligation, as when ballast weights have been lost, but the diver is still at the bottom and has a ratchet reel with sufficient line. In this case the reel line is tied off to a sufficiently heavy or fixed object on the bottom, and the diver ascends at the appropriate rate paying out line under tension, and making the required decompression stops. It will generally be necessary to cut the line after surfacing, unless another diver is available to go down to release it. This is a required skill for the <a href="/wiki/CMAS_Self-Rescue_Diver" class="mw-redirect" title="CMAS Self-Rescue Diver">CMAS Self-Rescue Diver</a> certification.<sup id="cite_ref-CMAS_SRD_43-0" class="reference"><a href="#cite_note-CMAS_SRD-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Surface_marker_buoy_and_delayed_surface_marker_buoy">Surface marker buoy and delayed surface marker buoy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=19" title="Edit section: Surface marker buoy and delayed surface marker buoy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Scuba_ascent_with_DSMB.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Scuba_ascent_with_DSMB.png/220px-Scuba_ascent_with_DSMB.png" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Scuba_ascent_with_DSMB.png/330px-Scuba_ascent_with_DSMB.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Scuba_ascent_with_DSMB.png/440px-Scuba_ascent_with_DSMB.png 2x" data-file-width="3000" data-file-height="2249" /></a><figcaption>Four stages of scuba ascent with delayed surface marker buoy: Preparation, deployment, ascent, decompression stop</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg/220px-Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg/330px-Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg/440px-Diver_deploying_a_DSMB_at_boiler_of_Cape_Matapan.jpg 2x" data-file-width="3648" data-file-height="2736" /></a><figcaption>Diver deploying a DSMB</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Surface_marker_buoy" title="Surface marker buoy">Surface marker buoy</a></div> <p>A surface marker buoy (SMB) with a reel and line is often used by a dive leader to allow the boat to monitor progress of the dive group. This can provide the operator with a positive control of depth, by remaining slightly negative and using the buoyancy of the float to support this slight over-weighting. This allows the line to be kept under slight tension which reduces the risk of entanglement. The reel or spool used to store and roll up the line usually has slightly negative buoyancy, so that if released it will hang down and not float away.<sup id="cite_ref-Scubadoctor_44-0" class="reference"><a href="#cite_note-Scubadoctor-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-BDSG-SMBs_45-0" class="reference"><a href="#cite_note-BDSG-SMBs-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> </p><p>A <i>delayed</i> or <i>deployable</i> surface marker buoy (DSMB), also known a <a href="/wiki/Decompression_buoy" class="mw-redirect" title="Decompression buoy">decompression buoy</a>, is a soft inflatable tube that is attached to a reel or spool line at one end, and is inflated by the diver under water and released to float to the surface, running out the line as it ascends. This provides information to the surface that the diver is about to ascend, and from where. This equipment is commonly used by recreational and technical divers, and requires a certain level of skill to operate safely. Once deployed, it can be used for the same purposes as the standard surface marker and reel, and in the same way, but they are mostly used to signal the boat that the diver has started ascent, as a means of accurately controlling ascent rate and stop depth, or to indicate a problem in technical diving.<sup id="cite_ref-BDSG-SMBs_45-1" class="reference"><a href="#cite_note-BDSG-SMBs-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Gurr_2008_46-0" class="reference"><a href="#cite_note-Gurr_2008-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-BSAC_2015_47-0" class="reference"><a href="#cite_note-BSAC_2015-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Nawrocky_2014_48-0" class="reference"><a href="#cite_note-Nawrocky_2014-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Decompression_station">Decompression station</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=20" title="Edit section: Decompression station"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A decompression station is a place set up to facilitate the planned decompression for a dive team, and to help a group of divers stay together during long decompression. A simple example would be a decompression trapeze system linked to the shotline or the dive boat. The decompression station may also have backup equipment stored in case of emergency, and provides a visual depth reference, and a physical aid to maintaining a constant depth. More complex systems may include a small underwater habitat.<sup id="cite_ref-Gurr_2008_46-1" class="reference"><a href="#cite_note-Gurr_2008-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> </p><p>In cases where a decompression habitat is used, there may be less exposure to cold water if the divers can partly or completely exit the water into an air-filled space, equivalent to an open diving bell. A habitat type decompression station can be an advantage when doing long decompressions on high oxygen partial pressure as the risks associated with oxygen toxicity are reduced, and it is easier for safety divers to assist. The term decompression station is associated with technical diving, professional divers would generally use a wet or dry diving bell for the same purpose.<sup id="cite_ref-Gurr_2008_46-2" class="reference"><a href="#cite_note-Gurr_2008-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Diving_stages_and_wet_bells">Diving stages and wet bells</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=21" title="Edit section: Diving stages and wet bells"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:US_Navy_060508-F-6344A-002_Senior_Chief_Navy_Diver_Clifford_Morin_aboard_rescue_and_salvage_ship_USS_Safeguard_(ARS_50)_tends_the_dive_stage_as_fellow_divers_are_lowered_into_the_Yellow_Sea_during_a_major_recovery_effort.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/US_Navy_060508-F-6344A-002_Senior_Chief_Navy_Diver_Clifford_Morin_aboard_rescue_and_salvage_ship_USS_Safeguard_%28ARS_50%29_tends_the_dive_stage_as_fellow_divers_are_lowered_into_the_Yellow_Sea_during_a_major_recovery_effort.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8b/US_Navy_060508-F-6344A-002_Senior_Chief_Navy_Diver_Clifford_Morin_aboard_rescue_and_salvage_ship_USS_Safeguard_%28ARS_50%29_tends_the_dive_stage_as_fellow_divers_are_lowered_into_the_Yellow_Sea_during_a_major_recovery_effort.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8b/US_Navy_060508-F-6344A-002_Senior_Chief_Navy_Diver_Clifford_Morin_aboard_rescue_and_salvage_ship_USS_Safeguard_%28ARS_50%29_tends_the_dive_stage_as_fellow_divers_are_lowered_into_the_Yellow_Sea_during_a_major_recovery_effort.jpg/440px-thumbnail.jpg 2x" data-file-width="1500" data-file-height="1000" /></a><figcaption>Diving stage</figcaption></figure> <p>A diving stage, sometimes known as a diving basket, is a platform on which one or two divers stand which is hoisted into the water, lowered to the workplace or the bottom, and then hoisted up again to return the diver to the surface and out of the water. This equipment is almost exclusively used by surface supplied professional divers, as it requires fairly complex <a href="/wiki/Man-rated" class="mw-redirect" title="Man-rated">man-rated</a> lifting equipment. A diving stage allows the surface team to conveniently manage a diver's decompression as it can be hoisted at a controlled rate and stopped at the correct depth for decompression stops, and allows the divers to rest during the ascent. It also allows the divers to be relatively safely and conveniently lifted out of the water and returned to the deck or quayside.<sup id="cite_ref-LARS_49-0" class="reference"><a href="#cite_note-LARS-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Pommec_50-0" class="reference"><a href="#cite_note-Pommec-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p><p>A wet bell, or open bell, is similar to a diving stage in concept, but has an air space, open to the water at the bottom in which the divers, or at least their heads, can shelter during ascent and descent. A wet bell provides more comfort and control than a stage and allows for longer time in the water. Wet bells are used for air and mixed gas, and divers can decompress using oxygen from a mask at 12 m.<sup id="cite_ref-Imbert_2006_51-0" class="reference"><a href="#cite_note-Imbert_2006-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> A bell stage is an open platform used with a closed bell to keep the bell from getting too close to the bottom, which could make it difficult or impossible for the divers to get in or out through the bottom lock. It may be connected to the bell or to the clump weight. </p><p>The launch and recovery system (LARS) is the equipment used to deploy and recover a stage or diving bell. The sane name is applied to the equipment used to launch and recover small submersibles and ROVs.<sup id="cite_ref-LARS_49-1" class="reference"><a href="#cite_note-LARS-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Decompression_gas">Decompression gas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=22" title="Edit section: Decompression gas"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Decompression_Dive-Preparation.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Decompression_Dive-Preparation.JPG/220px-Decompression_Dive-Preparation.JPG" decoding="async" width="220" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Decompression_Dive-Preparation.JPG/330px-Decompression_Dive-Preparation.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/Decompression_Dive-Preparation.JPG/440px-Decompression_Dive-Preparation.JPG 2x" data-file-width="1010" data-file-height="731" /></a><figcaption><a href="/wiki/Technical_diving" title="Technical diving">Technical divers</a> preparing for a mixed-gas decompression dive. Note the <a href="/wiki/Backplate_and_wing" title="Backplate and wing">backplate and wing</a> setup with <a href="/wiki/Side_mount_diving" class="mw-redirect" title="Side mount diving">side mounted</a> <a href="/wiki/Diving_cylinder#Purposes_of_diving_cylinders" title="Diving cylinder">stage tanks</a> containing <a href="/wiki/Nitrox" title="Nitrox">EAN50</a> (left side) and pure <a href="/wiki/Oxygen" title="Oxygen">oxygen</a> (right side).</figcaption></figure> <p>Reducing the partial pressure of the inert gas component of the breathing mixture will accelerate decompression as the concentration gradient will be greater for a given depth. This is achieved by increasing the fraction of oxygen in the breathing gas used, whereas substitution of a different inert gas will not produce the desired effect. Substitution may introduce counter-diffusion complications, owing to differing rates of diffusion of the inert gases, which can lead to a net gain in total dissolved gas tension in a tissue. This can lead to bubble formation and growth, with decompression sickness as a consequence. Partial pressure of oxygen is usually limited to 1.6 bar during in-water decompression for scuba divers, but can be up to 1.9 bar in-water and 2.2 bar in the chamber when using the US Navy tables for <a href="/wiki/Surface_decompression" class="mw-redirect" title="Surface decompression">surface decompression</a>,<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-1" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch9-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> and up to 2.8 bar for therapeutic decompression.<sup id="cite_ref-USN_1975_52-0" class="reference"><a href="#cite_note-USN_1975-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Stage_cylinders">Stage cylinders</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=23" title="Edit section: Stage cylinders"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Open circuit scuba divers by definition are independent of surface supply, and must take any gas mixture with them that is to be used on the dive. However, if they are confident of returning by a specific route, the decompression gas may be stored at appropriate places on that route. The cylinders used for this purpose are called stage cylinders, and they are usually provided with a standard regulator and a submersible pressure gauge, and are usually left at the stop with the regulator pressurised, but the cylinder valve turned off to minimise the risk of gas loss. Similar cylinders are carried by the divers when the route back is not secure. They are commonly mounted as <i>sling cylinders</i>, clipped to D-rings at the sides of the diver's harness.<sup id="cite_ref-dir2006_53-0" class="reference"><a href="#cite_note-dir2006-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> </p><p>Scuba divers take great care to avoid breathing oxygen enriched "deco gas" at great depths because of the high risk of <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>. To prevent this happening, cylinders containing oxygen-rich gases must always be positively identifiable. One way of doing this is by marking them with their <a href="/wiki/Maximum_operating_depth" title="Maximum operating depth">maximum operating depth</a> as clearly as possible.<sup id="cite_ref-dir2006_53-1" class="reference"><a href="#cite_note-dir2006-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> Other safety precautions may include using different coloured regulator housing, flavoured mouthpieces, or simply placing a rubber band vertically across the mouthpiece as an alert.<sup id="cite_ref-Gentile_1988_54-0" class="reference"><a href="#cite_note-Gentile_1988-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Surface_panel_gas_switching">Surface panel gas switching</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=24" title="Edit section: Surface panel gas switching"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Surface supplied divers may be supplied with a gas mixture suitable for accelerated decompression by connecting a supply to the surface gas panel and connecting it through the valve system to the divers. This allows accelerated decompression, usually on oxygen, which can be used to a maximum depth of 20 ft (6 m) in water for scuba and 30 ft (9 m) on surface supply.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-2" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch9-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Surface supplied heliox bounce divers will be provided with mixtures suitable for their current depth, and the mixture may be changed several times during descent and ascent from great depths.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch14-2_55-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch14-2-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Continuously_variable_mixture_in_closed_circuit_rebreathers">Continuously variable mixture in closed circuit rebreathers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=25" title="Edit section: Continuously variable mixture in closed circuit rebreathers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Trevor_Jackson_returns_from_SS_Kyogle.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Trevor_Jackson_returns_from_SS_Kyogle.jpg/220px-Trevor_Jackson_returns_from_SS_Kyogle.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Trevor_Jackson_returns_from_SS_Kyogle.jpg/330px-Trevor_Jackson_returns_from_SS_Kyogle.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Trevor_Jackson_returns_from_SS_Kyogle.jpg/440px-Trevor_Jackson_returns_from_SS_Kyogle.jpg 2x" data-file-width="802" data-file-height="602" /></a><figcaption>Rebreather diver with bailout and decompression cylinders</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Closed_circuit_rebreather" class="mw-redirect" title="Closed circuit rebreather">Closed circuit rebreather</a></div> <p>Closed circuit rebreathers are usually controlled to provide a fairly constant partial pressure of oxygen during the dive (set point), and may be reset to a richer mix (higher partial pressure of oxygen) for decompression. The effect is to keep the partial pressure of inert gases as low as safely practicable throughout the dive. This minimises the absorption of inert gas in the first place, and accelerates the elimination of the inert gases during ascent.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch17_56-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch17-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Surface_decompression_equipment">Surface decompression equipment</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=26" title="Edit section: Surface decompression equipment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Deck_decompression_chambers">Deck decompression chambers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=27" title="Edit section: Deck decompression chambers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Deck_decompression_chamber_PA197922.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Deck_decompression_chamber_PA197922.jpg/220px-Deck_decompression_chamber_PA197922.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Deck_decompression_chamber_PA197922.jpg/330px-Deck_decompression_chamber_PA197922.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Deck_decompression_chamber_PA197922.jpg/440px-Deck_decompression_chamber_PA197922.jpg 2x" data-file-width="3648" data-file-height="2736" /></a><figcaption>A basic deck decompression chamber</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Decompression_chamber" class="mw-redirect" title="Decompression chamber">Decompression chamber</a> and <a href="/wiki/Diving_chamber" title="Diving chamber">Diving chamber</a></div> <p>A deck decompression chamber (DDC), or double-lock chamber is a two compartment pressure vessel for human occupation which has sufficient space in the main chamber for two or more occupants, and a forechamber which can allow a person to be pressurised or decompressed while the main chamber remains under constant pressure. This allows an attendant to be locked in or out during treatment of the occupant(s) of the main chamber. There is usually also a medical lock, which serves a similar function but is much smaller. This is used to transfer medical material, food and specimens into and out of the main chamber while it is under pressure. Most deck decompression chambers are fitted with built-in breathing systems (BIBS), which supply an alternative breathing gas to the occupants (usually oxygen), and discharge the exhaled gas outside the chamber, so the chamber gas is not excessively enriched by oxygen, which would cause an unacceptable fire hazard, and require frequent flushing with chamber gas (usually air).<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch21-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> </p><p>A deck decompression chamber is intended for surface decompression and emergency hyperbaric treatment of divers, but can be used for other hyperbaric treatment under the appropriate supervision of hyperbaric medical personnel.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-1" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch21-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> </p><p>Portable or mobile one and two occupant single compartment chambers are not generally intended for routine surface decompression, but may be used in an emergency.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-2" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch21-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Dry_bells_and_Saturation_systems">Dry bells and Saturation systems</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=28" title="Edit section: Dry bells and Saturation systems"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg/220px-US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg" decoding="async" width="220" height="308" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg/330px-US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg/440px-US_Navy_010707-N-3093M-003_Diver_Transfer_Capsule.jpg 2x" data-file-width="1500" data-file-height="2100" /></a><figcaption>Personnel transfer capsule, closed bell, or dry bell.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Caisson_de_recompression.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Caisson_de_recompression.JPG/220px-Caisson_de_recompression.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Caisson_de_recompression.JPG/330px-Caisson_de_recompression.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Caisson_de_recompression.JPG/440px-Caisson_de_recompression.JPG 2x" data-file-width="4724" data-file-height="3543" /></a><figcaption>Part of a saturation system: On the left is a part of the living space with a medical lock in the foreground. To the right is the wet-room, on the top of which there is a flange to which the dry bell is bolted for transfer of the divers between the hyperbaric habitat and the bell.</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a> and <a href="/wiki/Saturation_diving" title="Saturation diving">Saturation diving</a></div> <p>A "Saturation System" or "Saturation spread" typically includes a living chamber, transfer chamber and submersible <a href="/wiki/Decompression_chamber" class="mw-redirect" title="Decompression chamber">decompression chamber</a>, which is commonly referred to in <a href="/wiki/Commercial_diving" title="Commercial diving">commercial diving</a> and <a href="/wiki/Military_diving" title="Military diving">military diving</a> as the <a href="/wiki/Diving_bell" title="Diving bell">diving bell</a>,<sup id="cite_ref-Bevan_1999_58-0" class="reference"><a href="#cite_note-Bevan_1999-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> <i>PTC</i> (Personnel Transfer Capsule) or <i>SDC</i> (Submersible Decompression Chamber).<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch15_59-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch15-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> The system can be permanently installed on a ship or ocean platform, but is more commonly capable of being dismantled and moved from one vessel to another by crane. The entire system is managed from a control room, commonly referred to as the "van", where depth, chamber atmosphere and other system parameters are monitored and controlled. The diving bell is the elevator or lift that transfers divers from the system to the work site. Typically, it is mated to the system utilizing a removable clamp and is separated from the system tankage bulkhead by a trunking space, a kind of short tunnel, through which the divers transfer to and from the bell. At the completion of work or a mission, the saturation diving team is decompressed gradually back to <a href="/wiki/Atmospheric_pressure" title="Atmospheric pressure">atmospheric pressure</a> by the slow venting of system pressure, at rates of about of 15 to 30 msw (50 to 100 fsw) per day, (schedules vary). Thus the process involves only one ascent, thereby mitigating the time-consuming and comparatively risky process of multiple decompressions normally associated with non-saturation ("bounce diving") operations.<sup id="cite_ref-beyerstein2006_60-0" class="reference"><a href="#cite_note-beyerstein2006-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> The chamber gas mixture is typically controlled to maintain a nominally constant partial pressure of oxygen of between 0.3 and 0.5 bar during most of the decompression (0.44 to 0.48 bar on US Navy schedule), which is below the upper limit for long term exposure.<sup id="cite_ref-US_Navy_Diving_Manual_R6_15-23_61-0" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_R6_15-23-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup> NOAA has used rather different saturation decompression schedules for relatively shallow (less than 100 fsw) air and nitrox saturation dives, which use oxygen breathing when pressure is reduced to less than 55 fsw.<sup id="cite_ref-NOAA_12.6_62-0" class="reference"><a href="#cite_note-NOAA_12.6-62"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup> </p><p>The divers use <a href="/wiki/Surface_supplied_diving" class="mw-redirect" title="Surface supplied diving">surface supplied</a> umbilical diving equipment, using a <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a> suitable for the depth and pressure, such as helium and oxygen mixtures, stored in large capacity, high pressure <a href="/wiki/Diving_cylinder" title="Diving cylinder">cylinders</a>.<sup id="cite_ref-beyerstein2006_60-1" class="reference"><a href="#cite_note-beyerstein2006-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> The gas supplies are plumbed to a control panel in the control room, where they are routed to supply the system components. The bell is fed via a large, multi-part <a href="/wiki/Umbilical_cable" title="Umbilical cable">umbilical</a> that supplies breathing gas, electrical power, cable communications and hot water, and may return exhaled gas to the surface for recycling. The bell also is fitted with externally-mounted breathing gas storage cylinders for emergency use. The divers are supplied from the bell through personal excursion umbilicals.<sup id="cite_ref-US_Navy_Diving_Manual_Revision_6_Ch15_59-1" class="reference"><a href="#cite_note-US_Navy_Diving_Manual_Revision_6_Ch15-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> </p><p>A <a href="/wiki/Hyperbaric_lifeboat" class="mw-redirect" title="Hyperbaric lifeboat">hyperbaric lifeboat</a> or hyperbaric rescue unit may be provided for emergency evacuation of saturation divers from a saturation system. This would be used if the platform is at immediate risk due to fire or sinking, and allows the divers under saturation to get clear of the immediate danger. A hyperbaric lifeboat may be self-propelled and can be operated by unpressurised crew while the occupants are under pressure. It must be self-sufficient for several days at sea, in case of a delay in rescue due to sea conditions. The crew would normally start decompression as soon as safely possible after launching.<sup id="cite_ref-IMCAD052_2013_63-0" class="reference"><a href="#cite_note-IMCAD052_2013-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> </p><p>A dry bell may also be used for bounce dives to great depths, and then used as the decompression chamber during the ascent and later on board the support vessel. In this case it is not always necessary to transfer into a deck chamber, as the bell is quite capable of performing this function, though it would be relatively cramped, as a bell is usually as small as conveniently possible to minimise weight for deployment.<sup id="cite_ref-beyerstein2006_60-2" class="reference"><a href="#cite_note-beyerstein2006-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=29" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col"> <ul><li><a href="/wiki/Decompression_sickness" title="Decompression sickness">Decompression sickness</a> – Disorder caused by dissolved gases forming bubbles in tissues</li> <li><a href="/wiki/Decompression_(diving)" title="Decompression (diving)">Decompression (diving)</a> – Pressure reduction and its effects during ascent from depth</li> <li><a href="/wiki/Decompression_practice" title="Decompression practice">Decompression practice</a> – Techniques and procedures for safe decompression of divers</li> <li><a href="/wiki/Decompression_theory" title="Decompression theory">Decompression theory</a> – Theoretical modelling of decompression physiology</li> <li><a href="/wiki/Dive_computer" title="Dive computer">Dive computer</a> – Instrument to calculate decompression status in real time</li> <li><a href="/wiki/Equivalent_air_depth" title="Equivalent air depth">Equivalent air depth</a> – Method of comparing decompression requirements for air and a given nitrox mix</li> <li><a href="/wiki/Equivalent_narcotic_depth" title="Equivalent narcotic depth">Equivalent narcotic depth</a> – Method for comparing the narcotic effects of a mixed diving gas with air</li> <li><a href="/wiki/History_of_decompression_research_and_development" title="History of decompression research and development">History of decompression research and development</a> – Chronological list of notable events in the history of diving decompression.</li> <li><a href="/wiki/Hyperbaric_treatment_schedules" title="Hyperbaric treatment schedules">Hyperbaric treatment schedules</a> – Planned hyperbaric exposure using a specified breathing gas as medical treatment</li> <li><a href="/wiki/Oxygen_window" title="Oxygen window">Oxygen window</a> – Physiological effect of oxygen metabolism on the total dissolved gas concentration in venous blood</li> <li><a href="/wiki/Physiology_of_decompression" title="Physiology of decompression">Physiology of decompression</a> – The physiological basis for decompression theory and practice</li> <li>Decompression models: <ul><li><a href="/wiki/B%C3%BChlmann_decompression_algorithm" title="Bühlmann decompression algorithm">Bühlmann decompression algorithm</a> – Mathematical model of tissue inert gas uptake and release with pressure change</li> <li><a href="/wiki/Haldane%27s_decompression_model" title="Haldane's decompression model">Haldane's decompression model</a> – Decompression model developed by John Scott Haldane</li> <li><a href="/wiki/Reduced_gradient_bubble_model" title="Reduced gradient bubble model">Reduced gradient bubble model</a> – Decompression algorithm</li> <li><a href="/wiki/Thalmann_algorithm" title="Thalmann algorithm">Thalmann algorithm</a> – Mathematical model for diver decompression</li> <li><a href="/wiki/Thermodynamic_model_of_decompression" title="Thermodynamic model of decompression">Thermodynamic model of decompression</a> – Early model in which decompression is controlled by volume of gas bubbles forming in tissues</li> <li><a href="/wiki/Varying_Permeability_Model" title="Varying Permeability Model">Varying Permeability Model</a> – Decompression model and algorithm based on bubble physics</li></ul></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=30" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-VanLiew1965-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-VanLiew1965_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFVan_LiewBishopWalderRahn1965" class="citation journal cs1">Van Liew, Hugh D; Bishop, B; Walder, P; Rahn, H (1965). "Effects of compression on composition and absorption of tissue gas pockets". <i>Journal of Applied Physiology</i>. <b>20</b> (5): 927–33. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1152%2Fjappl.1965.20.5.927">10.1152/jappl.1965.20.5.927</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0021-8987">0021-8987</a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/11603017">11603017</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/5837620">5837620</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Applied+Physiology&rft.atitle=Effects+of+compression+on+composition+and+absorption+of+tissue+gas+pockets&rft.volume=20&rft.issue=5&rft.pages=927-33&rft.date=1965&rft_id=info%3Aoclcnum%2F11603017&rft.issn=0021-8987&rft_id=info%3Apmid%2F5837620&rft_id=info%3Adoi%2F10.1152%2Fjappl.1965.20.5.927&rft.aulast=Van+Liew&rft.aufirst=Hugh+D&rft.au=Bishop%2C+B&rft.au=Walder%2C+P&rft.au=Rahn%2C+H&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-PADI_2010-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-PADI_2010_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2010" class="citation web cs1">Staff (13 April 2010). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160306061640/http://www.sportdiver.co.uk/Hints-and-Advice/Tech-Zone/Using-multiple-cylinders">"Using multiple cylinders"</a>. <i>Sport Diver (online magazine)</i>. PADI. Archived from <a rel="nofollow" class="external text" href="http://www.sportdiver.co.uk/Hints-and-Advice/Tech-Zone/Using-multiple-cylinders">the original</a> on 6 March 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">3 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Sport+Diver+%28online+magazine%29&rft.atitle=Using+multiple+cylinders&rft.date=2010-04-13&rft.au=Staff&rft_id=http%3A%2F%2Fwww.sportdiver.co.uk%2FHints-and-Advice%2FTech-Zone%2FUsing-multiple-cylinders&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-US_Navy_Diving_Manual_R6_8-5-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-US_Navy_Diving_Manual_R6_8-5_3-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 8 section 5</span> </li> <li id="cite_note-Huggins_1992_I-1-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Huggins_1992_I-1_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Huggins_1992_I-1_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Huggins_1992_I-1_4-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFHuggins1992">Huggins 1992</a>, Introduction page 1</span> </li> <li id="cite_note-Huggins_1992_4-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-Huggins_1992_4_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Huggins_1992_4_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFHuggins1992">Huggins 1992</a>, Chpt. 4 pages 1–18</span> </li> <li id="cite_note-Air_table-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-Air_table_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Air_table_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, chpt. 9 sect. 8 The air decompression table</span> </li> <li id="cite_note-Huggins_1992_4-15-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-Huggins_1992_4-15_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Huggins_1992_4-15_7-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFHuggins1992">Huggins 1992</a>, Chpt. 4 page 15</span> </li> <li id="cite_note-US_Navy_Diving_Manual_Revision_6_Ch9-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch9_8-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 9</span> </li> <li id="cite_note-Buhlmann_1984-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-Buhlmann_1984_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBühlmann_Albert_A.1984" class="citation book cs1"><a href="/wiki/Albert_A._B%C3%BChlmann" title="Albert A. Bühlmann">Bühlmann Albert A.</a> (1984). <i>Decompression–Decompression Sickness</i>. Berlin, New York: Springer-Verlag. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-387-13308-9" title="Special:BookSources/0-387-13308-9"><bdi>0-387-13308-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Decompression%E2%80%93Decompression+Sickness&rft.place=Berlin%2C+New+York&rft.pub=Springer-Verlag&rft.date=1984&rft.isbn=0-387-13308-9&rft.au=B%C3%BChlmann+Albert+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Buhlmann_1995-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-Buhlmann_1995_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBühlmann1995" class="citation book cs1 cs1-prop-foreign-lang-source">Bühlmann, Albert A (1995). <i>Tauchmedizin</i> (in German). Berlin: Springer-Verlag. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/3-540-55581-1" title="Special:BookSources/3-540-55581-1"><bdi>3-540-55581-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Tauchmedizin&rft.place=Berlin&rft.pub=Springer-Verlag&rft.date=1995&rft.isbn=3-540-55581-1&rft.aulast=B%C3%BChlmann&rft.aufirst=Albert+A&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Buhlmann_1992-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-Buhlmann_1992_11-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBühlmann1992" class="citation book cs1 cs1-prop-foreign-lang-source">Bühlmann, Albert A. 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Gary Gentile Productions. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-883056-05-5" title="Special:BookSources/1-883056-05-5"><bdi>1-883056-05-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Technical+Diving+Handbook&rft.pub=Gary+Gentile+Productions&rft.date=1998&rft.isbn=1-883056-05-5&rft.aulast=Gentile&rft.aufirst=Gary&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-newry-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-newry_39-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.newryandmournesubaqua.com/technicalIssues2.php">"Technical Issues"</a>. Newry & Mourne Sub Aqua Club<span class="reference-accessdate">. Retrieved <span class="nowrap">28 August</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Technical+Issues&rft.pub=Newry+%26+Mourne+Sub+Aqua+Club&rft_id=http%3A%2F%2Fwww.newryandmournesubaqua.com%2FtechnicalIssues2.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Barsky_and_Christensen_2004-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-Barsky_and_Christensen_2004_40-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBarskyChristensen2004" class="citation book cs1">Barsky, Steven M.; Christensen, Robert W. (2004). <i>The Simple Guide to Commercial Diving</i> (Illustrated ed.). Hammerhead Press. p. 92. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-9674305-4-6" title="Special:BookSources/978-0-9674305-4-6"><bdi>978-0-9674305-4-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Simple+Guide+to+Commercial+Diving&rft.pages=92&rft.edition=Illustrated&rft.pub=Hammerhead+Press&rft.date=2004&rft.isbn=978-0-9674305-4-6&rft.aulast=Barsky&rft.aufirst=Steven+M.&rft.au=Christensen%2C+Robert+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Warlaumont-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-Warlaumont_41-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarlaumont1991" class="citation book cs1">Warlaumont, John (October 1991). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=dWI8e8rVbJ0C&q=down+line+%28diving%29&pg=SA10-PA17">"10.6 Open ocean diving"</a>. <i>NOAA Diving Manual: Diving for Science and Technology</i> (Illustrated ed.). DIANE Publishing. pp. 10–14 to 10–15. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-56806-231-0" title="Special:BookSources/978-1-56806-231-0"><bdi>978-1-56806-231-0</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">17 March</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=10.6+Open+ocean+diving&rft.btitle=NOAA+Diving+Manual%3A+Diving+for+Science+and+Technology&rft.pages=10-14+to+10-15&rft.edition=Illustrated&rft.pub=DIANE+Publishing&rft.date=1991-10&rft.isbn=978-1-56806-231-0&rft.aulast=Warlaumont&rft.aufirst=John&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DdWI8e8rVbJ0C%26q%3Ddown%2Bline%2B%2528diving%2529%26pg%3DSA10-PA17&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-upline-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-upline_42-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=sEv87OoKWKs&ab_channel=Narc%27edTV">"Episode 02 - The New NJ Upline"</a>. <i>www.youtube.com</i>. Narc'd TV<span class="reference-accessdate">. Retrieved <span class="nowrap">2 September</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.youtube.com&rft.atitle=Episode+02+-+The+New+NJ+Upline&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DsEv87OoKWKs%26ab_channel%3DNarc%2527edTV&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-CMAS_SRD-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-CMAS_SRD_43-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2014" class="citation web cs1">Staff (4 March 2014). <a rel="nofollow" class="external text" href="http://www.cmas.org/document?sessionId=&fileId=2966&language=1">"CMAS Self-Rescue Diver"</a>. <i>Standard Number: 2.B.31 / BOD no 181 ( 04-18-2013 )</i>. 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Retrieved <span class="nowrap">13 April</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Standard+Number%3A+2.B.31+%2F+BOD+no+181+%28+04-18-2013+%29&rft.atitle=CMAS+Self-Rescue+Diver&rft.date=2014-03-04&rft.au=Staff&rft_id=http%3A%2F%2Fwww.cmas.org%2Fdocument%3FsessionId%3D%26fileId%3D2966%26language%3D1&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Scubadoctor-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-Scubadoctor_44-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2005–2016" class="citation web cs1">Staff (2005–2016). <a rel="nofollow" class="external text" href="https://www.scubadoctor.com.au/diveshop/index.php?main_page=index&cPath=71_200">"Surface Marker Buoys (SMBs)"</a>. <i>Scuba Doctor website</i>. 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Retrieved <span class="nowrap">7 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Scuba+Doctor+website&rft.atitle=Surface+Marker+Buoys+%28SMBs%29&rft.date=2005%2F2016&rft.au=Staff&rft_id=https%3A%2F%2Fwww.scubadoctor.com.au%2Fdiveshop%2Findex.php%3Fmain_page%3Dindex%26cPath%3D71_200&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-BDSG-SMBs-45"><span class="mw-cite-backlink">^ <a href="#cite_ref-BDSG-SMBs_45-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-BDSG-SMBs_45-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff" class="citation web cs1">Staff. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161229153023/http://bdsg.org/BDSG%20advice%20regarding%20DSMBs.pdf">"Recommendations Concerning the Use of Surface Marker Buoys"</a> <span class="cs1-format">(PDF)</span>. British Diving Safety Group. Archived from <a rel="nofollow" class="external text" href="http://www.bdsg.org/BDSG%20advice%20regarding%20DSMBs.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 29 December 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">7 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Recommendations+Concerning+the+Use+of+Surface+Marker+Buoys&rft.pub=British+Diving+Safety+Group&rft.au=Staff&rft_id=http%3A%2F%2Fwww.bdsg.org%2FBDSG%2520advice%2520regarding%2520DSMBs.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Gurr_2008-46"><span class="mw-cite-backlink">^ <a href="#cite_ref-Gurr_2008_46-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Gurr_2008_46-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Gurr_2008_46-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGurr2008" class="citation book cs1">Gurr, Kevin (August 2008). "13: Operational Safety". In Mount, Tom; Dituri, Joseph (eds.). <i>Exploration and Mixed Gas Diving Encyclopedia</i> (1st ed.). Miami Shores, Florida: International Association of Nitrox Divers. pp. 165–180. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-915539-10-9" title="Special:BookSources/978-0-915539-10-9"><bdi>978-0-915539-10-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=13%3A+Operational+Safety&rft.btitle=Exploration+and+Mixed+Gas+Diving+Encyclopedia&rft.place=Miami+Shores%2C+Florida&rft.pages=165-180&rft.edition=1st&rft.pub=International+Association+of+Nitrox+Divers&rft.date=2008-08&rft.isbn=978-0-915539-10-9&rft.aulast=Gurr&rft.aufirst=Kevin&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-BSAC_2015-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-BSAC_2015_47-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2015" class="citation web cs1">Staff (2015). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120403025930/http://www.bsac.com/core/core_picker/download.asp?id=999">"Delayed surface marker buoy"</a>. <i>BSAC Safe Diving</i>. British Sub-Aqua Club. p. 18. Archived from <a rel="nofollow" class="external text" href="http://www.bsac.com/core/core_picker/download.asp?id=999">the original</a> on 3 April 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">7 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=BSAC+Safe+Diving&rft.atitle=Delayed+surface+marker+buoy&rft.pages=18&rft.date=2015&rft.au=Staff&rft_id=http%3A%2F%2Fwww.bsac.com%2Fcore%2Fcore_picker%2Fdownload.asp%3Fid%3D999&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Nawrocky_2014-48"><span class="mw-cite-backlink"><b><a href="#cite_ref-Nawrocky_2014_48-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNawrocky2014" class="citation web cs1">Nawrocky, Pete (2014). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20191009130525/http://www.alertdiver.com/overhere">"We're Over Here!"</a>. <i>Alert Diver online, Spring 2014</i>. Divers Alert Network. 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Retrieved <span class="nowrap">7 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Alert+Diver+online%2C+Spring+2014&rft.atitle=We%27re+Over+Here%21&rft.date=2014&rft.aulast=Nawrocky&rft.aufirst=Pete&rft_id=http%3A%2F%2Fwww.alertdiver.com%2Foverhere&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-LARS-49"><span class="mw-cite-backlink">^ <a href="#cite_ref-LARS_49-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-LARS_49-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff" class="citation web cs1">Staff. <a rel="nofollow" class="external text" href="http://www.smp-ltd.com/category/catid/245/catname/Diving-Launch-And-Recovery-Systems/">"Diving Launch And Recovery Systems"</a>. <i>Commercial Diving Equipment</i>. 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Pommec BV<span class="reference-accessdate">. Retrieved <span class="nowrap">7 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Technical+Diving+Equipment&rft.atitle=Pommec+2+diver+launch+and+recovery+system+with+diving+basket&rft.au=Staff&rft_id=http%3A%2F%2Fwww.pommec.com%2F_clientfiles%2FPDF%2Fpw0042_pommec_2_diver_lars.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Imbert_2006-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-Imbert_2006_51-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFImbert2006" class="citation journal cs1">Imbert, Jean Pierre (February 2006). Lang; Smith (eds.). <a rel="nofollow" class="external text" href="http://www.plongeesout.com/articles%20publication/decompression/imbert/imbert%2090m.pdf">"Commercial Diving: 90m Operational Aspects"</a> <span class="cs1-format">(PDF)</span>. <i>Advanced Scientific Diving Workshop</i>. Smithsonian Institution<span class="reference-accessdate">. Retrieved <span class="nowrap">30 June</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Advanced+Scientific+Diving+Workshop&rft.atitle=Commercial+Diving%3A+90m+Operational+Aspects&rft.date=2006-02&rft.aulast=Imbert&rft.aufirst=Jean+Pierre&rft_id=http%3A%2F%2Fwww.plongeesout.com%2Farticles%2520publication%2Fdecompression%2Fimbert%2Fimbert%252090m.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-USN_1975-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-USN_1975_52-0">^</a></b></span> <span class="reference-text">U.S. Navy Department, 1975. U.S. Navy Diving Manual, Volume 1, Change 1. U.S. Government Printing Office, Washington, D.C. NAVSEA 099-LP-001-9010</span> </li> <li id="cite_note-dir2006-53"><span class="mw-cite-backlink">^ <a href="#cite_ref-dir2006_53-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-dir2006_53-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJablonski2006" class="citation book cs1">Jablonski, Jarrod (2006). "Details of DIR Equipment Configuration". <i>Doing it Right: The Fundamentals of Better Diving</i>. High Springs, Florida: Global Underwater Explorers. p. 113. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-9713267-0-3" title="Special:BookSources/0-9713267-0-3"><bdi>0-9713267-0-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Details+of+DIR+Equipment+Configuration&rft.btitle=Doing+it+Right%3A+The+Fundamentals+of+Better+Diving&rft.place=High+Springs%2C+Florida&rft.pages=113&rft.pub=Global+Underwater+Explorers&rft.date=2006&rft.isbn=0-9713267-0-3&rft.aulast=Jablonski&rft.aufirst=Jarrod&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-Gentile_1988-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-Gentile_1988_54-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGentile1988" class="citation book cs1">Gentile, Gary (July 1988). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/advancedwreckdiv00gent/page/60"><i>Advanced Wreck Diving Guide</i></a></span> (3rd ed.). Cornell Maritime Press. p. 60. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-87033-380-4" title="Special:BookSources/978-0-87033-380-4"><bdi>978-0-87033-380-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Advanced+Wreck+Diving+Guide&rft.pages=60&rft.edition=3rd&rft.pub=Cornell+Maritime+Press&rft.date=1988-07&rft.isbn=978-0-87033-380-4&rft.aulast=Gentile&rft.aufirst=Gary&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fadvancedwreckdiv00gent%2Fpage%2F60&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-US_Navy_Diving_Manual_Revision_6_Ch14-2-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch14-2_55-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 14 page 2 "Gas nixtures"</span> </li> <li id="cite_note-US_Navy_Diving_Manual_Revision_6_Ch17-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch17_56-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 17</span> </li> <li id="cite_note-US_Navy_Diving_Manual_Revision_6_Ch21-57"><span class="mw-cite-backlink">^ <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch21_57-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 21 Recompression chamber operation</span> </li> <li id="cite_note-Bevan_1999-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-Bevan_1999_58-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBevan1999" class="citation journal cs1">Bevan, J. (1999). "Diving bells through the centuries". <i>South Pacific Underwater Medicine Society Journal</i>. <b>29</b> (1). <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0813-1988">0813-1988</a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/16986801">16986801</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=South+Pacific+Underwater+Medicine+Society+Journal&rft.atitle=Diving+bells+through+the+centuries&rft.volume=29&rft.issue=1&rft.date=1999&rft_id=info%3Aoclcnum%2F16986801&rft.issn=0813-1988&rft.aulast=Bevan&rft.aufirst=J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-US_Navy_Diving_Manual_Revision_6_Ch15-59"><span class="mw-cite-backlink">^ <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch15_59-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-US_Navy_Diving_Manual_Revision_6_Ch15_59-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 15 Saturation Diving</span> </li> <li id="cite_note-beyerstein2006-60"><span class="mw-cite-backlink">^ <a href="#cite_ref-beyerstein2006_60-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-beyerstein2006_60-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-beyerstein2006_60-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBeyerstein2006" class="citation conference cs1">Beyerstein, G. (2006). Lang, M.A.; Smith, N.E. (eds.). <i>Commercial Diving: Surface-Mixed Gas, Sur-D-O2, Bell Bounce, Saturation</i>. Proceedings of Advanced Scientific Diving Workshop. Smithsonian Institution, Washington, DC.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=conference&rft.btitle=Commercial+Diving%3A+Surface-Mixed+Gas%2C+Sur-D-O2%2C+Bell+Bounce%2C+Saturation&rft.place=Smithsonian+Institution%2C+Washington%2C+DC&rft.date=2006&rft.aulast=Beyerstein&rft.aufirst=G.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-US_Navy_Diving_Manual_R6_15-23-61"><span class="mw-cite-backlink"><b><a href="#cite_ref-US_Navy_Diving_Manual_R6_15-23_61-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFUS_Navy_Diving_Manual_Revision_6">US Navy Diving Manual Revision 6</a>, Chpt. 15 sect. 23 pp 33 seq.</span> </li> <li id="cite_note-NOAA_12.6-62"><span class="mw-cite-backlink"><b><a href="#cite_ref-NOAA_12.6_62-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJames_W._Miller1979" class="citation book cs1">James W. Miller, ed. (1979). "12.6 Decompression after an air or nitrogen-oxygen saturation dive". <i>NOAA Diving Manual</i> (2nd ed.). United States Department of Commerce.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=12.6+Decompression+after+an+air+or+nitrogen-oxygen+saturation+dive&rft.btitle=NOAA+Diving+Manual&rft.edition=2nd&rft.pub=United+States+Department+of+Commerce&rft.date=1979&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> <li id="cite_note-IMCAD052_2013-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-IMCAD052_2013_63-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2013" class="citation web cs1">Staff (May 2013). <a rel="nofollow" class="external text" href="http://www.fathomsystems.co.uk/assets/Files/imcad052.pdf">"Guidance on Hyperbaric Evacuation Systems"</a> <span class="cs1-format">(PDF)</span>. <i>Guidance on Hyperbaric Evacuation Systems IMCA D 052 May 2013</i>. International Marine Contractors' Association<span class="reference-accessdate">. Retrieved <span class="nowrap">6 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Guidance+on+Hyperbaric+Evacuation+Systems+IMCA+D+052+May+2013&rft.atitle=Guidance+on+Hyperbaric+Evacuation+Systems&rft.date=2013-05&rft.au=Staff&rft_id=http%3A%2F%2Fwww.fathomsystems.co.uk%2Fassets%2FFiles%2Fimcad052.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Sources">Sources</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=31" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHuggins1992" class="citation journal cs1">Huggins, Karl E. (1992). "Dynamics of decompression workshop". <i>Course Taught at the University of Michigan</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Course+Taught+at+the+University+of+Michigan&rft.atitle=Dynamics+of+decompression+workshop&rft.date=1992&rft.aulast=Huggins&rft.aufirst=Karl+E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPowell2008" class="citation book cs1">Powell, Mark (2008). <i>Deco for Divers</i>. Southend-on-Sea: Aquapress. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-905492-07-7" title="Special:BookSources/978-1-905492-07-7"><bdi>978-1-905492-07-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Deco+for+Divers&rft.place=Southend-on-Sea&rft.pub=Aquapress&rft.date=2008&rft.isbn=978-1-905492-07-7&rft.aulast=Powell&rft.aufirst=Mark&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUS_Navy_Diving_Manual_Revision_6" class="citation book cs1">US Navy (2006). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080502023541/http://www.supsalv.org/00c3_publications.asp?destPage=00c3&pageId=3.9"><i>US Navy Diving Manual, 6th revision</i></a>. United States: US Naval Sea Systems Command. Archived from <a rel="nofollow" class="external text" href="http://www.supsalv.org/00c3_publications.asp?destPage=00c3&pageID=3.9">the original</a> on 2 May 2008<span class="reference-accessdate">. Retrieved <span class="nowrap">16 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=US+Navy+Diving+Manual%2C+6th+revision&rft.place=United+States&rft.pub=US+Naval+Sea+Systems+Command&rft.date=2006&rft.au=US+Navy&rft_id=http%3A%2F%2Fwww.supsalv.org%2F00c3_publications.asp%3FdestPage%3D00c3%26pageID%3D3.9&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUS_Navy_Diving_Manual_Revision_7_Ch_A" class="citation book cs1">US Navy (2018). <a rel="nofollow" class="external text" href="https://www.navsea.navy.mil/Home/SUPSALV/00C3-Diving/Diving-Publications/"><i>US Navy Diving Manual, 7th revision Ch A</i></a>. United States: US Naval Sea Systems Command.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=US+Navy+Diving+Manual%2C+7th+revision+Ch+A&rft.place=United+States&rft.pub=US+Naval+Sea+Systems+Command&rft.date=2018&rft.au=US+Navy&rft_id=https%3A%2F%2Fwww.navsea.navy.mil%2FHome%2FSUPSALV%2F00C3-Diving%2FDiving-Publications%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecompression+equipment" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Decompression_equipment&action=edit&section=32" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Category:Decompression_equipment" class="extiw" title="commons:Category:Decompression equipment">Decompression equipment</a> at Wikimedia Commons</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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href="/wiki/Template:Underwater_diving" title="Template:Underwater diving"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Underwater_diving" title="Template talk:Underwater diving"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Underwater_diving" title="Special:EditPage/Template:Underwater diving"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Underwater_diving" style="font-size:114%;margin:0 4em"><a href="/wiki/Underwater_diving" title="Underwater diving">Underwater diving</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Diving_activities" title="Diving activities">Diving activities</a></li> <li><a href="/wiki/Diving_mode" class="mw-redirect" title="Diving mode">Diving modes</a> <ul><li><a href="/wiki/Atmospheric_pressure_diving" class="mw-redirect" title="Atmospheric pressure diving">Atmospheric pressure diving</a></li> <li><a href="/wiki/Freediving" title="Freediving">Freediving</a></li> <li><a href="/wiki/Saturation_diving" title="Saturation diving">Saturation diving</a></li> <li><a href="/wiki/Scuba_diving" title="Scuba diving">Scuba diving</a></li> <li><a href="/wiki/Snorkeling" title="Snorkeling">Snorkeling</a></li> <li><a href="/wiki/Surface_oriented_diving" class="mw-redirect" title="Surface oriented diving">Surface oriented diving</a></li> <li><a href="/wiki/Surface-supplied_diving" title="Surface-supplied diving">Surface-supplied diving</a></li> <li><a href="/wiki/Unmanned_diving" class="mw-redirect" title="Unmanned diving">Unmanned diving</a></li></ul></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible uncollapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Diving_equipment" style="font-size:114%;margin:0 4em"><a href="/wiki/Diving_equipment" title="Diving equipment">Diving equipment</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cleaning_and_disinfection_of_personal_diving_equipment" title="Cleaning and disinfection of personal diving equipment">Cleaning and disinfection of personal diving equipment</a></li> <li><a href="/wiki/Human_factors_in_diving_equipment_design" title="Human factors in diving equipment design">Human factors in diving equipment design</a></li> <li><a href="/wiki/List_of_diving_equipment_manufacturers" title="List of diving equipment manufacturers">List of diving equipment manufacturers</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Basic equipment</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_mask" title="Diving mask">Diving mask</a></li> <li><a href="/wiki/Snorkel_(swimming)" title="Snorkel (swimming)">Snorkel</a></li> <li><a href="/wiki/Swimfin" title="Swimfin">Swimfin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Breathing_gas" title="Breathing gas">Breathing gas</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bailout_gas" class="mw-redirect" title="Bailout gas">Bailout gas</a></li> <li><a href="/wiki/Bottom_gas" class="mw-redirect" title="Bottom gas">Bottom gas</a></li> <li><a href="/wiki/Breathing_air" class="mw-redirect" title="Breathing air">Breathing air</a></li> <li><a href="/wiki/Decompression_gas" class="mw-redirect" title="Decompression gas">Decompression gas</a></li> <li><a href="/wiki/Emergency_gas_supply" class="mw-redirect" title="Emergency gas supply">Emergency gas supply</a></li> <li><a href="/wiki/Heliox" title="Heliox">Heliox</a></li> <li><a href="/wiki/Hydreliox" title="Hydreliox">Hydreliox</a></li> <li><a href="/wiki/Hydrox_(breathing_gas)" title="Hydrox (breathing gas)">Hydrox</a></li> <li><a href="/wiki/Nitrox" title="Nitrox">Nitrox</a></li> <li><a href="/wiki/Oxygen" title="Oxygen">Oxygen</a></li> <li><a href="/wiki/Travel_gas" class="mw-redirect" title="Travel gas">Travel gas</a></li> <li><a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">Trimix</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Buoyancy and<br />trim equipment</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Avelo_diving_system" title="Avelo diving system">Avelo diving system</a></li> <li><a href="/wiki/Buoyancy_compensator_(diving)" title="Buoyancy compensator (diving)">Buoyancy compensator</a> <ul><li><a href="/wiki/Power_inflator" class="mw-redirect" title="Power inflator">Power inflator</a></li> <li><a href="/wiki/Dump_valve_(diving)" class="mw-redirect" title="Dump valve (diving)">Dump valve</a></li> <li><a href="/wiki/Variable_buoyancy_pressure_vessel" class="mw-redirect" title="Variable buoyancy pressure vessel">Variable buoyancy pressure vessel</a></li></ul></li> <li><a href="/wiki/Diving_weighting_system" title="Diving weighting system">Diving weighting system</a> <ul><li><a href="/wiki/Ankle_weights_(diving)" class="mw-redirect" title="Ankle weights (diving)">Ankle weights</a></li> <li><a href="/wiki/Integrated_weights" class="mw-redirect" title="Integrated weights">Integrated weights</a></li> <li><a href="/wiki/Trim_weights_(diving)" class="mw-redirect" title="Trim weights (diving)">Trim weights</a></li> <li><a href="/wiki/Weight_belt" class="mw-redirect" title="Weight belt">Weight belt</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Decompression<br />equipment</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Decompression_buoy" class="mw-redirect" title="Decompression buoy">Decompression buoy</a></li> <li><a href="/wiki/Decompression_chamber" class="mw-redirect" title="Decompression chamber">Decompression chamber</a></li> <li><a href="/wiki/Decompression_cylinder" class="mw-redirect" title="Decompression cylinder">Decompression cylinder</a></li> <li><a href="/wiki/Decompression_trapeze" class="mw-redirect" title="Decompression trapeze">Decompression trapeze</a></li> <li><a href="/wiki/Dive_computer" title="Dive computer">Dive computer</a></li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a></li> <li><a href="/wiki/Diving_shot" title="Diving shot">Diving shot</a></li> <li><a href="/wiki/Diving_stage" class="mw-redirect" title="Diving stage">Diving stage</a></li> <li><a href="/wiki/Jersey_upline" class="mw-redirect" title="Jersey upline">Jersey upline</a></li> <li><a href="/wiki/Jonline" class="mw-redirect" title="Jonline">Jonline</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_suit" title="Diving suit">Diving suit</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atmospheric_diving_suit" title="Atmospheric diving suit">Atmospheric diving suit</a> <ul><li><a href="/wiki/JIM_suit" title="JIM suit">JIM suit</a></li> <li><a href="/wiki/Newtsuit" title="Newtsuit">Newtsuit</a></li></ul></li> <li><a href="/wiki/Dry_suit" title="Dry suit">Dry suit</a> <ul><li><a href="/wiki/Sladen_suit" class="mw-redirect" title="Sladen suit">Sladen suit</a></li> <li><a href="/wiki/Standard_diving_suit" class="mw-redirect" title="Standard diving suit">Standard diving suit</a></li></ul></li> <li><a href="/wiki/Rash_vest" class="mw-redirect" title="Rash vest">Rash vest</a></li> <li><a href="/wiki/Wetsuit" title="Wetsuit">Wetsuit</a> <ul><li><a href="/wiki/Dive_skins" class="mw-redirect" title="Dive skins">Dive skins</a></li> <li><a href="/wiki/Hot-water_suit" class="mw-redirect" title="Hot-water suit">Hot-water suit</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Helmets<br />and masks</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anti-fog" title="Anti-fog">Anti-fog</a></li> <li><a href="/wiki/Diving_helmet" title="Diving helmet">Diving helmet</a> <ul><li><a href="/wiki/Free-flow_helmet" class="mw-redirect" title="Free-flow helmet">Free-flow helmet</a></li> <li><a href="/wiki/Lightweight_demand_helmet" class="mw-redirect" title="Lightweight demand helmet">Lightweight demand helmet</a></li> <li><a href="/wiki/Orinasal_mask" title="Orinasal mask">Orinasal mask</a></li> <li><a href="/wiki/Reclaim_helmet" class="mw-redirect" title="Reclaim helmet">Reclaim helmet</a></li> <li><a href="/wiki/Shallow_water_helmet" class="mw-redirect" title="Shallow water helmet">Shallow water helmet</a></li> <li><a href="/wiki/Standard_diving_helmet" class="mw-redirect" title="Standard diving helmet">Standard diving helmet</a></li></ul></li> <li><a href="/wiki/Diving_mask" title="Diving mask">Diving mask</a> <ul><li><a href="/wiki/Band_mask" class="mw-redirect" title="Band mask">Band mask</a></li> <li><a href="/wiki/Full-face_mask" class="mw-redirect" title="Full-face mask">Full-face mask</a></li> <li><a href="/wiki/Half_mask" class="mw-redirect" title="Half mask">Half mask</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Instrumentation</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bottom_timer" class="mw-redirect" title="Bottom timer">Bottom timer</a></li> <li><a href="/wiki/Depth_gauge" title="Depth gauge">Depth gauge</a></li> <li><a href="/wiki/Dive_computer" title="Dive computer">Dive computer</a></li> <li><a href="/wiki/Dive_timer" class="mw-redirect" title="Dive timer">Dive timer</a></li> <li><a href="/wiki/Diving_watch" title="Diving watch">Diving watch</a> <ul><li><a href="/wiki/Helium_release_valve" title="Helium release valve">Helium release valve</a></li></ul></li> <li><a href="/wiki/Electro-galvanic_oxygen_sensor" title="Electro-galvanic oxygen sensor">Electro-galvanic oxygen sensor</a></li> <li><a href="/wiki/Pneumofathometer" class="mw-redirect" title="Pneumofathometer">Pneumofathometer</a></li> <li><a href="/wiki/Submersible_pressure_gauge" class="mw-redirect" title="Submersible pressure gauge">Submersible pressure gauge</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mobility<br />equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diver_propulsion_vehicle" title="Diver propulsion vehicle">Diver propulsion vehicle</a></li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a> <ul><li><a href="/wiki/Closed_bell" class="mw-redirect" title="Closed bell">Closed bell</a></li> <li><a href="/wiki/Wet_bell" class="mw-redirect" title="Wet bell">Wet bell</a></li></ul></li> <li><a href="/wiki/Diving_stage" class="mw-redirect" title="Diving stage">Diving stage</a></li> <li><a href="/wiki/Swimfin" title="Swimfin">Swimfin</a> <ul><li><a href="/wiki/Monofin" title="Monofin">Monofin</a></li> <li><a href="/wiki/PowerSwim" title="PowerSwim">PowerSwim</a></li></ul></li> <li><a href="/wiki/Towboard" title="Towboard">Towboard</a></li> <li><a href="/wiki/Wet_sub" title="Wet sub">Wet sub</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Safety<br />equipment</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alternative_air_source" title="Alternative air source">Alternative air source</a> <ul><li><a href="/wiki/Octopus_regulator" class="mw-redirect" title="Octopus regulator">Octopus regulator</a></li> <li><a href="/wiki/Pony_bottle" title="Pony bottle">Pony bottle</a></li></ul></li> <li><a href="/wiki/Bolt_snap" title="Bolt snap">Bolt snap</a></li> <li><a href="/wiki/Buddy_line" class="mw-redirect" title="Buddy line">Buddy line</a></li> <li><a href="/wiki/Dive_light" title="Dive light">Dive light</a></li> <li><a href="/wiki/Diver%27s_cutting_tool" class="mw-redirect" title="Diver's cutting tool">Diver's cutting tool</a> <ul><li><a href="/wiki/Diver%27s_knife" class="mw-redirect" title="Diver's knife">Diver's knife</a></li></ul></li> <li><a href="/wiki/Diver%27s_telephone" class="mw-redirect" title="Diver's telephone">Diver's telephone</a></li> <li><a href="/wiki/Through-water_communications" class="mw-redirect" title="Through-water communications">Through-water communications</a> <ul><li><a href="/wiki/Underwater_acoustic_communication" title="Underwater acoustic communication">Underwater acoustic communication</a></li></ul></li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a></li> <li><a href="/wiki/Diving_safety_harness" class="mw-redirect" title="Diving safety harness">Diving safety harness</a></li> <li><a href="/wiki/Emergency_gas_supply" class="mw-redirect" title="Emergency gas supply">Emergency gas supply</a> <ul><li><a href="/wiki/Bailout_block" class="mw-redirect" title="Bailout block">Bailout block</a></li> <li><a href="/wiki/Bailout_bottle" title="Bailout bottle">Bailout bottle</a></li></ul></li> <li><a href="/wiki/Lifeline_(diving)" class="mw-redirect" title="Lifeline (diving)">Lifeline</a> <ul><li><a href="/wiki/Screw_gate_carabiner" class="mw-redirect" title="Screw gate carabiner">Screw gate carabiner</a></li></ul></li> <li><a href="/wiki/Emergency_locator_beacon" title="Emergency locator beacon">Emergency locator beacon</a></li> <li><a href="/wiki/Rescue_tether" class="mw-redirect" title="Rescue tether">Rescue tether</a></li> <li><a href="/wiki/Safety_helmet" class="mw-redirect" title="Safety helmet">Safety helmet</a></li> <li><a href="/wiki/Shark-proof_cage" class="mw-redirect" title="Shark-proof cage">Shark-proof cage</a></li> <li><a href="/wiki/Snoopy_loop" class="mw-redirect" title="Snoopy loop">Snoopy loop</a></li> <li>Navigation equipment <ul><li><a href="/wiki/Distance_line" title="Distance line">Distance line</a></li> <li><a href="/wiki/Diving_compass" class="mw-redirect" title="Diving compass">Diving compass</a></li> <li><a href="/wiki/Dive_reel" class="mw-redirect" title="Dive reel">Dive reel</a></li> <li><a href="/wiki/Line_marker" title="Line marker">Line marker</a></li> <li><a href="/wiki/Surface_marker_buoy" title="Surface marker buoy">Surface marker buoy</a></li> <li><a href="/wiki/Silt_screw" class="mw-redirect" title="Silt screw">Silt screw</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Underwater_breathing_apparatus" title="Underwater breathing apparatus">Underwater<br />breathing<br />apparatus</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atmospheric_diving_suit" title="Atmospheric diving suit">Atmospheric diving suit</a></li> <li><a href="/wiki/Diving_cylinder" title="Diving cylinder">Diving cylinder</a> <ul><li><a href="/wiki/Burst_disc" class="mw-redirect" title="Burst disc">Burst disc</a></li> <li><a href="/wiki/Scuba_cylinder_valve" title="Scuba cylinder valve">Scuba cylinder valve</a></li></ul></li> <li><a href="/wiki/Diving_helmet" title="Diving helmet">Diving helmet</a> <ul><li><a href="/wiki/Reclaim_helmet" class="mw-redirect" title="Reclaim helmet">Reclaim helmet</a></li></ul></li> <li><a href="/wiki/Diving_regulator" title="Diving regulator">Diving regulator</a> <ul><li><a href="/wiki/Mechanism_of_diving_regulators" title="Mechanism of diving regulators">Mechanism of diving regulators</a></li> <li><a href="/wiki/Regulator_malfunction" class="mw-redirect" title="Regulator malfunction">Regulator malfunction</a> <ul><li><a href="/wiki/Regulator_freeze" class="mw-redirect" title="Regulator freeze">Regulator freeze</a></li></ul></li> <li><a href="/wiki/Single-hose_regulator" class="mw-redirect" title="Single-hose regulator">Single-hose regulator</a></li> <li><a href="/wiki/Twin-hose_regulator" class="mw-redirect" title="Twin-hose regulator">Twin-hose regulator</a></li></ul></li> <li><a href="/wiki/Full-face_diving_mask" title="Full-face diving mask">Full-face diving mask</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Open-circuit_scuba" class="mw-redirect" title="Open-circuit scuba">Open-circuit<br />scuba</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Scuba_set" title="Scuba set">Scuba set</a> <ul><li><a href="/wiki/Bailout_bottle" title="Bailout bottle">Bailout bottle</a></li> <li><a href="/wiki/Decompression_cylinder" class="mw-redirect" title="Decompression cylinder">Decompression cylinder</a></li> <li><a href="/wiki/Independent_doubles" class="mw-redirect" title="Independent doubles">Independent doubles</a></li> <li><a href="/wiki/Manifolded_twin_set" class="mw-redirect" title="Manifolded twin set">Manifolded twin set</a> <ul><li><a href="/wiki/Scuba_manifold" title="Scuba manifold">Scuba manifold</a></li></ul></li> <li><a href="/wiki/Pony_bottle" title="Pony bottle">Pony bottle</a></li> <li><a href="/wiki/Scuba_configuration" class="mw-redirect" title="Scuba configuration">Scuba configuration</a></li> <li><a href="/wiki/Sidemount" class="mw-redirect" title="Sidemount">Sidemount</a></li> <li><a href="/wiki/Sling_cylinder" class="mw-redirect" title="Sling cylinder">Sling cylinder</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_rebreather" title="Diving rebreather">Diving rebreathers</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Carbon_dioxide_scrubber" title="Carbon dioxide scrubber">Carbon dioxide scrubber</a></li> <li><a href="/wiki/Carleton_CDBA" class="mw-redirect" title="Carleton CDBA">Carleton CDBA</a></li> <li><a href="/wiki/Clearance_Divers_Life_Support_Equipment" title="Clearance Divers Life Support Equipment">Clearance Divers Life Support Equipment</a></li> <li><a href="/wiki/Cryogenic_rebreather" class="mw-redirect" title="Cryogenic rebreather">Cryogenic rebreather</a></li> <li><a href="/wiki/CUMA" title="CUMA">CUMA</a></li> <li><a href="/wiki/DSEA" class="mw-redirect" title="DSEA">DSEA</a></li> <li><a href="/wiki/Dr%C3%A4ger_Dolphin" class="mw-redirect" title="Dräger Dolphin">Dolphin</a></li> <li><a href="/wiki/Halcyon_PVR-BASC" title="Halcyon PVR-BASC">Halcyon PVR-BASC</a></li> <li><a href="/wiki/Halcyon_RB80" title="Halcyon RB80">Halcyon RB80</a></li> <li><a href="/wiki/IDA71" title="IDA71">IDA71</a></li> <li><a href="/wiki/Interspiro_DCSC" title="Interspiro DCSC">Interspiro DCSC</a></li> <li><a href="/wiki/LAR-5" class="mw-redirect" title="LAR-5">LAR-5</a></li> <li><a href="/wiki/LAR-6" class="mw-redirect" title="LAR-6">LAR-6</a></li> <li><a href="/wiki/LAR-V" class="mw-redirect" title="LAR-V">LAR-V</a></li> <li><a href="/wiki/Lambertsen_Amphibious_Respiratory_Unit" title="Lambertsen Amphibious Respiratory Unit">LARU</a></li> <li><a href="/wiki/Mark_IV_Amphibian" title="Mark IV Amphibian">Mark IV Amphibian</a></li> <li><a href="/wiki/Porpoise_(scuba_gear)" title="Porpoise (scuba gear)">Porpoise</a></li> <li><a href="/wiki/Dr%C3%A4ger_Ray" class="mw-redirect" title="Dräger Ray">Ray</a></li> <li><a href="/wiki/Siebe_Gorman_CDBA" title="Siebe Gorman CDBA">Siebe Gorman CDBA</a></li> <li><a href="/wiki/Siebe_Gorman_Salvus" title="Siebe Gorman Salvus">Salvus</a></li> <li><a href="/wiki/Siva_(rebreather)" class="mw-redirect" title="Siva (rebreather)">Siva</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Surface-supplied_diving_equipment" title="Surface-supplied diving equipment">Surface-supplied<br />diving equipment</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_line" title="Air line">Air line</a></li> <li><a href="/wiki/Diver%27s_umbilical" class="mw-redirect" title="Diver's umbilical">Diver's umbilical</a></li> <li><a href="/wiki/Diving_air_compressor" title="Diving air compressor">Diving air compressor</a></li> <li><a href="/wiki/Gas_panel" class="mw-redirect" title="Gas panel">Gas panel</a></li> <li><a href="/wiki/Hookah_(diving)" class="mw-redirect" title="Hookah (diving)">Hookah</a></li> <li><a href="/wiki/Scuba_replacement" class="mw-redirect" title="Scuba replacement">Scuba replacement</a></li> <li><a href="/wiki/Snuba" title="Snuba">Snuba</a></li> <li><a href="/wiki/Standard_diving_dress" title="Standard diving dress">Standard diving dress</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_diving_equipment_manufacturers" title="List of diving equipment manufacturers"> Diving<br />equipment<br />manufacturers</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AP_Diving" title="AP Diving">AP Diving</a></li> <li><a href="/wiki/Apeks" title="Apeks">Apeks</a></li> <li><a href="/wiki/Aqua_Lung_America" title="Aqua Lung America">Aqua Lung America</a></li> <li><a href="/wiki/Aqua_Lung/La_Spirotechnique" title="Aqua Lung/La Spirotechnique">Aqua Lung/La Spirotechnique</a></li> <li><a href="/wiki/Beuchat" title="Beuchat">Beuchat</a></li> <li><a href="/wiki/Ren%C3%A9_Cavalero" title="René Cavalero">René Cavalero</a></li> <li><a href="/wiki/Cis-Lunar" title="Cis-Lunar">Cis-Lunar</a></li> <li><a href="/wiki/Cressi-Sub" title="Cressi-Sub">Cressi-Sub</a></li> <li><a href="/wiki/Dacor_(scuba_diving)" title="Dacor (scuba diving)">Dacor</a></li> <li><a href="/wiki/DESCO" title="DESCO">DESCO</a></li> <li><a href="/wiki/Dive_Xtras" title="Dive Xtras">Dive Xtras</a></li> <li><a href="/wiki/Divex" title="Divex">Divex</a></li> <li><a href="/wiki/Diving_Unlimited_International" title="Diving Unlimited International">Diving Unlimited International</a></li> <li><a href="/wiki/Dr%C3%A4gerwerk" class="mw-redirect" title="Drägerwerk">Drägerwerk</a></li> <li><a href="/wiki/Faber_Industrie_S.p.A." title="Faber Industrie S.p.A.">Faber</a></li> <li><a href="/wiki/Fenzy" title="Fenzy">Fenzy</a></li> <li><a href="/wiki/Maurice_Fernez" title="Maurice Fernez">Maurice Fernez</a></li> <li><a href="/wiki/Luigi_Ferraro_(naval_officer)" class="mw-redirect" title="Luigi Ferraro (naval officer)">Technisub</a></li> <li><a href="/wiki/Oscar_Gugen" title="Oscar Gugen">Oscar Gugen</a></li> <li><a href="/wiki/Heinke_(diving_equipment_manufacturer)" title="Heinke (diving equipment manufacturer)">Heinke</a></li> <li><a href="/wiki/HeinrichsWeikamp" title="HeinrichsWeikamp">HeinrichsWeikamp</a></li> <li><a href="/wiki/Johnson_Outdoors" title="Johnson Outdoors">Johnson Outdoors</a></li> <li><a href="/wiki/Mares_(scuba_equipment)" title="Mares (scuba equipment)">Mares</a></li> <li><a href="/wiki/Morse_Diving" title="Morse Diving">Morse Diving</a></li> <li><a href="/wiki/Nemrod" title="Nemrod">Nemrod</a></li> <li><a href="/wiki/Oceanic_Worldwide" title="Oceanic Worldwide">Oceanic Worldwide</a></li> <li><a href="/wiki/Porpoise_(scuba_gear)" title="Porpoise (scuba gear)">Porpoise</a></li> <li><a href="/wiki/Shearwater_Research" title="Shearwater Research">Shearwater Research</a></li> <li><a href="/wiki/Siebe_Gorman" title="Siebe Gorman">Siebe Gorman</a></li> <li><a href="/wiki/Submarine_Products" title="Submarine Products">Submarine Products</a></li> <li><a href="/wiki/Suunto" title="Suunto">Suunto</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Diving_support_equipment" style="font-size:114%;margin:0 4em"><a href="/wiki/Diving_support_equipment" title="Diving support equipment">Diving support equipment</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Access equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boarding_stirrup" class="mw-redirect" title="Boarding stirrup">Boarding stirrup</a></li> <li><a href="/wiki/Diver_lift" class="mw-redirect" title="Diver lift">Diver lift</a></li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a></li> <li><a href="/wiki/Diving_ladder" class="mw-redirect" title="Diving ladder">Diving ladder</a></li> <li><a href="/wiki/Diving_platform_(scuba)" class="mw-redirect" title="Diving platform (scuba)">Diving platform (scuba)</a></li> <li><a href="/wiki/Diving_stage" class="mw-redirect" title="Diving stage">Diving stage</a></li> <li><a href="/wiki/Downline_(diving)" title="Downline (diving)">Downline</a></li> <li><a href="/wiki/Jackstay" title="Jackstay">Jackstay</a></li> <li><a href="/wiki/Launch_and_recovery_system_(diving)" class="mw-redirect" title="Launch and recovery system (diving)">Launch and recovery system</a></li> <li><a href="/wiki/Messenger_line" title="Messenger line">Messenger line</a></li> <li><a href="/wiki/Moon_pool" title="Moon pool">Moon pool</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Breathing gas<br />handling</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_air_compressor#Filtration" title="Diving air compressor">Air filtration</a> <ul><li><a href="/wiki/Activated_carbon" title="Activated carbon">Activated carbon</a></li> <li><a href="/wiki/Hopcalite" title="Hopcalite">Hopcalite</a></li> <li><a href="/wiki/Molecular_sieve" title="Molecular sieve">Molecular sieve</a></li> <li><a href="/wiki/Silica_gel" title="Silica gel">Silica gel</a></li></ul></li> <li><a href="/wiki/Booster_pump" title="Booster pump">Booster pump</a></li> <li><a href="/wiki/Carbon_dioxide_scrubber" title="Carbon dioxide scrubber">Carbon dioxide scrubber</a></li> <li><a href="/wiki/Cascade_filling_system" title="Cascade filling system">Cascade filling system</a></li> <li><a href="/wiki/Diver%27s_pump" title="Diver's pump">Diver's pump</a></li> <li><a href="/wiki/Diving_air_compressor" title="Diving air compressor">Diving air compressor</a> <ul><li><a href="/wiki/Diving_air_filter" class="mw-redirect" title="Diving air filter">Diving air filter</a></li> <li><a href="/wiki/Water_separator" class="mw-redirect" title="Water separator">Water separator</a></li> <li><a href="/wiki/High_pressure_breathing_air_compressor" class="mw-redirect" title="High pressure breathing air compressor">High pressure breathing air compressor</a></li> <li><a href="/wiki/Low_pressure_breathing_air_compressor" class="mw-redirect" title="Low pressure breathing air compressor">Low pressure breathing air compressor</a></li></ul></li> <li><a href="/wiki/Gas_blending" title="Gas blending">Gas blending</a> <ul><li><a href="/wiki/Gas_blending_for_scuba_diving" title="Gas blending for scuba diving">Gas blending for scuba diving</a></li></ul></li> <li><a href="/wiki/Gas_panel" class="mw-redirect" title="Gas panel">Gas panel</a></li> <li><a href="/wiki/Gas_reclaim_system" class="mw-redirect" title="Gas reclaim system">Gas reclaim system</a></li> <li><a href="/wiki/Gas_storage_bank" class="mw-redirect" title="Gas storage bank">Gas storage bank</a> <ul><li><a href="/wiki/Gas_storage_quad" class="mw-redirect" title="Gas storage quad">Gas storage quad</a></li> <li><a href="/wiki/Gas_storage_tube" class="mw-redirect" title="Gas storage tube">Gas storage tube</a></li></ul></li> <li><a href="/wiki/Helium_analyzer" title="Helium analyzer">Helium analyzer</a></li> <li><a href="/wiki/Nitrox_production" class="mw-redirect" title="Nitrox production">Nitrox production</a> <ul><li><a href="/wiki/Membrane_gas_separation" title="Membrane gas separation">Membrane gas separation</a></li> <li><a href="/wiki/Pressure_swing_adsorption" title="Pressure swing adsorption">Pressure swing adsorption</a></li></ul></li> <li><a href="/wiki/Oxygen_analyser" class="mw-redirect" title="Oxygen analyser">Oxygen analyser</a> <ul><li><a href="/wiki/Electro-galvanic_oxygen_sensor" title="Electro-galvanic oxygen sensor">Electro-galvanic oxygen sensor</a></li></ul></li> <li><a href="/wiki/Oxygen_compatibility" title="Oxygen compatibility">Oxygen compatibility</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Decompression<br />equipment</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air-lock" class="mw-redirect" title="Air-lock">Air-lock</a></li> <li><a href="/wiki/Built-in_breathing_system" title="Built-in breathing system">Built-in breathing system</a></li> <li><a href="/wiki/Decompression_tables" class="mw-redirect" title="Decompression tables">Decompression tables</a></li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bell</a> <ul><li><a href="/wiki/Bell_cursor" class="mw-redirect" title="Bell cursor">Bell cursor</a></li> <li><a href="/wiki/Closed_bell" class="mw-redirect" title="Closed bell">Closed bell</a></li> <li><a href="/wiki/Clump_weight" class="mw-redirect" title="Clump weight">Clump weight</a></li> <li><a href="/wiki/Launch_and_recovery_system_(diving)" class="mw-redirect" title="Launch and recovery system (diving)">Launch and recovery system</a></li> <li><a href="/wiki/Wet_bell" class="mw-redirect" title="Wet bell">Wet bell</a></li></ul></li> <li><a href="/wiki/Diving_chamber" title="Diving chamber">Diving chamber</a></li> <li><a href="/wiki/Diving_stage" class="mw-redirect" title="Diving stage">Diving stage</a></li> <li><a href="/wiki/Recreational_Dive_Planner" title="Recreational Dive Planner">Recreational Dive Planner</a></li> <li><a href="/wiki/Saturation_system" class="mw-redirect" title="Saturation system">Saturation system</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Platforms</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dive_boat" title="Dive boat">Dive boat</a> <ul><li><a href="/wiki/Canoe_and_kayak_diving" title="Canoe and kayak diving">Canoe and kayak diving</a></li> <li><a href="/wiki/Combat_rubber_raiding_craft" title="Combat rubber raiding craft">Combat rubber raiding craft</a></li> <li><a href="/wiki/Liveaboard" title="Liveaboard">Liveaboard</a></li> <li><a href="/wiki/Subskimmer" title="Subskimmer">Subskimmer</a></li></ul></li> <li><a href="/wiki/Diving_support_vessel" title="Diving support vessel">Diving support vessel</a> <ul><li><a href="/wiki/HMS_Challenger_(K07)" title="HMS Challenger (K07)">HMS Challenger (K07)</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Underwaterhabitat" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Underwater_habitat" title="Underwater habitat">Underwater<br />habitat</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aquarius_Reef_Base" title="Aquarius Reef Base">Aquarius Reef Base</a></li> <li><a href="/wiki/Continental_Shelf_Station_Two" title="Continental Shelf Station Two">Continental Shelf Station Two</a></li> <li><a href="/wiki/Helgoland_Habitat" title="Helgoland Habitat">Helgoland Habitat</a></li> <li><a href="/wiki/Scott_Carpenter_Space_Analog_Station" title="Scott Carpenter Space Analog Station">Scott Carpenter Space Analog Station</a></li> <li><a href="/wiki/SEALAB" title="SEALAB">SEALAB</a></li> <li><a href="/wiki/Tektite_habitat" title="Tektite habitat">Tektite habitat</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Remotely_operated_underwater_vehicle" title="Remotely operated underwater vehicle">Remotely operated<br />underwater vehicles</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/8A4-class_ROUV" title="8A4-class ROUV">8A4-class ROUV</a></li> <li><a href="/wiki/ABISMO" title="ABISMO">ABISMO</a></li> <li><a href="/wiki/Atlantis_ROV_Team" title="Atlantis ROV Team">Atlantis ROV Team</a></li> <li><a href="/wiki/COTSBot" title="COTSBot">COTSBot</a></li> <li><a href="/wiki/CURV" title="CURV">CURV</a></li> <li><a href="/wiki/Deep_Drone" title="Deep Drone">Deep Drone</a></li> <li><a href="/wiki/%C3%89paulard" title="Épaulard">Épaulard</a></li> <li><a href="/wiki/Global_Explorer_ROV" title="Global Explorer ROV">Global Explorer ROV</a></li> <li><a href="/wiki/Goldfish-class_ROUV" title="Goldfish-class ROUV">Goldfish-class ROUV</a></li> <li><a href="/wiki/Kaik%C5%8D_ROV" title="Kaikō ROV">Kaikō ROV</a></li> <li><a href="/wiki/Ka%C5%9Fif_ROUV" title="Kaşif ROUV">Kaşif ROUV</a></li> <li><a href="/wiki/Long-Term_Mine_Reconnaissance_System" title="Long-Term Mine Reconnaissance System">Long-Term Mine Reconnaissance System</a></li> <li><a href="/wiki/Mini_Rover_ROV" title="Mini Rover ROV">Mini Rover ROV</a></li> <li><a href="/wiki/OpenROV" title="OpenROV">OpenROV</a></li> <li><a href="/wiki/ROV_KIEL_6000" title="ROV KIEL 6000">ROV KIEL 6000</a></li> <li><a href="/wiki/ROV_PHOCA" title="ROV PHOCA">ROV PHOCA</a></li> <li><a href="/wiki/Scorpio_ROV" title="Scorpio ROV">Scorpio ROV</a></li> <li><a href="/wiki/Sea_Dragon-class_ROV" title="Sea Dragon-class ROV">Sea Dragon-class ROV</a></li> <li><a href="/wiki/Seabed_tractor" title="Seabed tractor">Seabed tractor</a></li> <li><a href="/wiki/Seafox_drone" title="Seafox drone">Seafox drone</a></li> <li><a href="/wiki/SeaPerch" title="SeaPerch">SeaPerch</a></li> <li><a href="/wiki/SJT-class_ROUV" title="SJT-class ROUV">SJT-class ROUV</a></li> <li><a href="/wiki/T1200_Trenching_Unit" title="T1200 Trenching Unit">T1200 Trenching Unit</a></li> <li><a href="/wiki/VideoRay_UROVs" title="VideoRay UROVs">VideoRay UROVs</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Safety equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diver_down_flag" title="Diver down flag">Diver down flag</a></li> <li><a href="/wiki/Diving_shot" title="Diving shot">Diving shot</a></li> <li><a href="/wiki/ENOS_Rescue-System" title="ENOS Rescue-System">ENOS Rescue-System</a></li> <li><a href="/wiki/Hyperbaric_lifeboat" class="mw-redirect" title="Hyperbaric lifeboat">Hyperbaric lifeboat</a></li> <li><a href="/wiki/Hyperbaric_stretcher" title="Hyperbaric stretcher">Hyperbaric stretcher</a></li> <li><a href="/wiki/Jackstay_(diving)" class="mw-redirect" title="Jackstay (diving)">Jackstay</a></li> <li><a href="/wiki/Jonline" class="mw-redirect" title="Jonline">Jonline</a></li> <li><a href="/wiki/Reserve_gas_supply_(diving)" class="mw-redirect" title="Reserve gas supply (diving)">Reserve gas supply</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_spread" class="mw-redirect" title="Diving spread">Diving spread</a> <ul><li><a href="/wiki/Air_spread" class="mw-redirect" title="Air spread">Air spread</a></li> <li><a href="/wiki/Saturation_spread" class="mw-redirect" title="Saturation spread">Saturation spread</a></li></ul></li> <li><a href="/wiki/Hot_water_system_(diving)" class="mw-redirect" title="Hot water system (diving)">Hot water system</a></li> <li><a href="/wiki/Sonar" title="Sonar">Sonar</a> <ul><li><a href="/wiki/Underwater_acoustic_positioning_system" title="Underwater acoustic positioning system">Underwater acoustic positioning system</a></li> <li><a href="/wiki/Underwater_acoustic_communication" title="Underwater acoustic communication">Underwater acoustic communication</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Freediving" style="font-size:114%;margin:0 4em"><a href="/wiki/Freediving" title="Freediving">Freediving</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Activities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aquathlon_(underwater_wrestling)" title="Aquathlon (underwater wrestling)">Aquathlon</a></li> <li><a href="/wiki/Apnoea_finswimming" class="mw-redirect" title="Apnoea finswimming">Apnoea finswimming</a></li> <li><a href="/wiki/Freediving" title="Freediving">Freediving</a></li> <li><a href="/wiki/Haenyeo" title="Haenyeo">Haenyeo</a></li> <li><a href="/wiki/Pearl_hunting" title="Pearl hunting">Pearl hunting</a> <ul><li><a href="/wiki/Ama_(diving)" title="Ama (diving)">Ama</a></li></ul></li> <li><a href="/wiki/Snorkeling" title="Snorkeling">Snorkeling</a></li> <li><a href="/wiki/Spearfishing" title="Spearfishing">Spearfishing</a></li> <li><a href="/wiki/Underwater_football" title="Underwater football">Underwater football</a></li> <li><a href="/wiki/Underwater_hockey" title="Underwater hockey">Underwater hockey</a></li> <li><a href="/wiki/Underwater_rugby" title="Underwater rugby">Underwater rugby</a></li> <li><a href="/wiki/Underwater_target_shooting" title="Underwater target shooting">Underwater target shooting</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Competitions</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nordic_Deep" title="Nordic Deep">Nordic Deep</a></li> <li><a href="/wiki/Vertical_Blue" title="Vertical Blue">Vertical Blue</a></li> <li>Disciplines <ul><li><a href="/wiki/Constant_weight" class="mw-redirect" title="Constant weight">Constant weight</a> (CWT)</li> <li><a href="/wiki/Constant_weight_bi-fins" title="Constant weight bi-fins">Constant weight bi-fins</a> (CWTB)</li> <li><a href="/wiki/Constant_weight_without_fins" title="Constant weight without fins">Constant weight without fins</a> (CNF)</li> <li><a href="/wiki/Dynamic_apnea" title="Dynamic apnea">Dynamic apnea</a> (DYN)</li> <li><a href="/wiki/Dynamic_apnea_without_fins" class="mw-redirect" title="Dynamic apnea without fins">Dynamic apnea without fins</a> (DNF)</li> <li><a href="/wiki/Free_immersion" class="mw-redirect" title="Free immersion">Free immersion</a> (FIM)</li> <li><a href="/wiki/No-limits_apnea" title="No-limits apnea">No-limits apnea</a> (NLT)</li> <li><a href="/wiki/Static_apnea" title="Static apnea">Static apnea</a> (STA)</li> <li><a href="/wiki/Skandalopetra_diving" title="Skandalopetra diving">Skandalopetra diving</a></li> <li><a href="/wiki/Variable_weight_apnea" class="mw-redirect" title="Variable weight apnea">Variable weight apnea</a> (VWT)</li> <li><a href="/wiki/Variable_weight_apnea_without_fins" class="mw-redirect" title="Variable weight apnea without fins">Variable weight apnea without fins</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_mask" title="Diving mask">Diving mask</a></li> <li><a href="/wiki/Diving_suit" title="Diving suit">Diving suit</a></li> <li><a href="/wiki/Hawaiian_sling" title="Hawaiian sling">Hawaiian sling</a></li> <li><a href="/wiki/Polespear" title="Polespear">Polespear</a></li> <li><a href="/wiki/Snorkel_(swimming)" title="Snorkel (swimming)">Snorkel (swimming)</a></li> <li><a href="/wiki/Speargun" title="Speargun">Speargun</a></li> <li><a href="/wiki/Swimfin" title="Swimfin">Swimfins</a> <ul><li><a href="/wiki/Monofin" title="Monofin">Monofin</a></li></ul></li> <li><a href="/wiki/Water_polo_cap" title="Water polo cap">Water polo cap</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Freedivers</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deborah_Andollo" title="Deborah Andollo">Deborah Andollo</a></li> <li><a href="/wiki/Simone_Arrigoni" title="Simone Arrigoni">Simone Arrigoni</a></li> <li><a href="/wiki/Peppo_Biscarini" title="Peppo Biscarini">Peppo Biscarini</a></li> <li><a href="/wiki/Michael_Board" title="Michael Board">Michael Board</a></li> <li><a href="/wiki/Sara_Campbell" title="Sara Campbell">Sara Campbell</a></li> <li><a href="/wiki/Derya_Can_G%C3%B6%C3%A7en" class="mw-redirect" title="Derya Can Göçen">Derya Can Göçen</a></li> <li><a href="/wiki/Goran_%C4%8Colak" title="Goran Čolak">Goran Čolak</a></li> <li><a href="/wiki/Carlos_Coste" title="Carlos Coste">Carlos Coste</a></li> <li><a href="/wiki/Robert_Croft_(diver)" title="Robert Croft (diver)">Robert Croft</a></li> <li><a href="/wiki/Mandy-Rae_Cruickshank" title="Mandy-Rae Cruickshank">Mandy-Rae Cruickshank</a></li> <li><a href="/wiki/Yasemin_Dalk%C4%B1l%C4%B1%C3%A7" title="Yasemin Dalkılıç">Yasemin Dalkılıç</a></li> <li><a href="/wiki/Leonardo_D%27Imporzano" title="Leonardo D'Imporzano">Leonardo D'Imporzano</a></li> <li><a href="/wiki/Flavia_Eberhard" title="Flavia Eberhard">Flavia Eberhard</a></li> <li><a href="/wiki/%C5%9Eahika_Erc%C3%BCmen" title="Şahika Ercümen">Şahika Ercümen</a></li> <li><a href="/wiki/Emma_Farrell_(freediver)" title="Emma Farrell (freediver)">Emma Farrell</a></li> <li><a href="/wiki/Francisco_Ferreras" title="Francisco Ferreras">Francisco Ferreras</a></li> <li><a href="/wiki/Pierre_Frolla" title="Pierre Frolla">Pierre Frolla</a></li> <li><a href="/wiki/Flavia_Eberhard" title="Flavia Eberhard">Flavia Eberhard</a></li> <li><a href="/wiki/Mehgan_Heaney-Grier" title="Mehgan Heaney-Grier">Mehgan Heaney-Grier</a></li> <li><a href="/wiki/Elisabeth_Kristoffersen" title="Elisabeth Kristoffersen">Elisabeth Kristoffersen</a></li> <li><a href="/wiki/Andriy_Yevhenovych_Khvetkevych" class="mw-redirect" title="Andriy Yevhenovych Khvetkevych">Andriy Yevhenovych Khvetkevych</a></li> <li><a href="/wiki/Lo%C3%AFc_Leferme" title="Loïc Leferme">Loïc Leferme</a></li> <li><a href="/wiki/Enzo_Maiorca" title="Enzo Maiorca">Enzo Maiorca</a></li> <li><a href="/wiki/Jacques_Mayol" title="Jacques Mayol">Jacques Mayol</a></li> <li><a href="/wiki/Audrey_Mestre" title="Audrey Mestre">Audrey Mestre</a></li> <li><a href="/wiki/Karol_Meyer" title="Karol Meyer">Karol Meyer</a></li> <li><a href="/wiki/Kate_Middleton_(free-diver)" title="Kate Middleton (free-diver)">Kate Middleton</a></li> <li><a href="/wiki/St%C3%A9phane_Mifsud" title="Stéphane Mifsud">Stéphane Mifsud</a></li> <li><a href="/wiki/Alexey_Molchanov" title="Alexey Molchanov">Alexey Molchanov</a></li> <li><a href="/wiki/Natalia_Molchanova" title="Natalia Molchanova">Natalia Molchanova</a></li> <li><a href="/wiki/Dave_Mullins_(freediver)" title="Dave Mullins (freediver)">Dave Mullins</a></li> <li><a href="/wiki/Patrick_Musimu" title="Patrick Musimu">Patrick Musimu</a></li> <li><a href="/wiki/Guillaume_N%C3%A9ry" title="Guillaume Néry">Guillaume Néry</a></li> <li><a href="/wiki/Herbert_Nitsch" title="Herbert Nitsch">Herbert Nitsch</a></li> <li><a href="/wiki/Umberto_Pelizzari" title="Umberto Pelizzari">Umberto Pelizzari</a></li> <li><a href="/wiki/Liv_Philip" title="Liv Philip">Liv Philip</a></li> <li><a href="/wiki/Annelie_Pompe" title="Annelie Pompe">Annelie Pompe</a></li> <li><a href="/wiki/Stig_Severinsen" title="Stig Severinsen">Stig Severinsen</a></li> <li><a href="/wiki/Tom_Sietas" title="Tom Sietas">Tom Sietas</a></li> <li><a href="/wiki/Aharon_Solomons" title="Aharon Solomons">Aharon Solomons</a></li> <li><a href="/wiki/Martin_%C5%A0t%C4%9Bp%C3%A1nek_(free-diver)" class="mw-redirect" title="Martin Štěpánek (free-diver)">Martin Štěpánek</a></li> <li><a href="/wiki/Walter_Steyn" title="Walter Steyn">Walter Steyn</a></li> <li><a href="/wiki/Tanya_Streeter" title="Tanya Streeter">Tanya Streeter</a></li> <li><a href="/wiki/William_Trubridge" title="William Trubridge">William Trubridge</a></li> <li><a href="/wiki/Devrim_Cenk_Ulusoy" title="Devrim Cenk Ulusoy">Devrim Cenk Ulusoy</a></li> <li><a href="/wiki/Fatma_Uruk" title="Fatma Uruk">Fatma Uruk</a></li> <li><a href="/wiki/Danai_Varveri" title="Danai Varveri">Danai Varveri</a></li> <li><a href="/wiki/Alessia_Zecchini" title="Alessia Zecchini">Alessia Zecchini</a></li> <li><a href="/wiki/Nataliia_Zharkova" title="Nataliia Zharkova">Nataliia Zharkova</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hazards</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Barotrauma" title="Barotrauma">Barotrauma</a></li> <li><a href="/wiki/Drowning" title="Drowning">Drowning</a></li> <li><a href="/wiki/Freediving_blackout" title="Freediving blackout">Freediving blackout</a> <ul><li><a href="/wiki/Deep-water_blackout" class="mw-redirect" title="Deep-water blackout">Deep-water blackout</a></li> <li><a href="/wiki/Freediving_blackout#Terminology" title="Freediving blackout">Shallow-water blackout</a></li></ul></li> <li><a href="/wiki/Hypercapnia" title="Hypercapnia">Hypercapnia</a></li> <li><a href="/wiki/Hypothermia" title="Hypothermia">Hypothermia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Historical</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ama_(diving)" title="Ama (diving)">Ama</a></li> <li><a href="/wiki/Octopus_wrestling" title="Octopus wrestling">Octopus wrestling</a></li> <li><a href="/wiki/Swimming_at_the_1900_Summer_Olympics_%E2%80%93_Men%27s_underwater_swimming" title="Swimming at the 1900 Summer Olympics – Men's underwater swimming">Swimming at the 1900 Summer Olympics – Men's underwater swimming</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organisations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AIDA_International" title="AIDA International">AIDA International</a></li> <li><a href="/wiki/Scuba_Schools_International" title="Scuba Schools International">Scuba Schools International</a></li> <li><a href="/wiki/Australian_Underwater_Federation" title="Australian Underwater Federation">Australian Underwater Federation</a></li> <li><a href="/wiki/British_Freediving_Association" title="British Freediving Association">British Freediving Association</a></li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a></li> <li><a href="/wiki/F%C3%A9d%C3%A9ration_Fran%C3%A7aise_d%27%C3%89tudes_et_de_Sports_Sous-Marins" title="Fédération Française d'Études et de Sports Sous-Marins">Fédération Française d'Études et de Sports Sous-Marins</a></li> <li><a href="/wiki/Performance_Freediving_International" title="Performance Freediving International">Performance Freediving International</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Professional_diving" style="font-size:114%;margin:0 4em"><a href="/wiki/Professional_diving" title="Professional diving">Professional diving</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Occupations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ama_(diving)" title="Ama (diving)">Ama</a></li> <li><a href="/wiki/Commercial_diver" class="mw-redirect" title="Commercial diver">Commercial diver</a> <ul><li><a href="/wiki/Commercial_offshore_diver" class="mw-redirect" title="Commercial offshore diver">Commercial offshore diver</a></li> <li><a href="/wiki/Hazmat_diver" class="mw-redirect" title="Hazmat diver">Hazmat diver</a></li></ul></li> <li><a href="/wiki/Divemaster" title="Divemaster">Divemaster</a></li> <li><a href="/wiki/Diving_instructor" title="Diving instructor">Diving instructor</a></li> <li><a href="/wiki/Diving_safety_officer" title="Diving safety officer">Diving safety officer</a></li> <li><a href="/wiki/Diving_superintendent" class="mw-redirect" title="Diving superintendent">Diving superintendent</a></li> <li><a href="/wiki/Diving_supervisor" title="Diving supervisor">Diving supervisor</a></li> <li><a href="/wiki/Haenyeo" title="Haenyeo">Haenyeo</a></li> <li><a href="/wiki/Media_diver" class="mw-redirect" title="Media diver">Media diver</a></li> <li><a href="/wiki/Police_diver" class="mw-redirect" title="Police diver">Police diver</a></li> <li><a href="/wiki/Public_safety_diver" class="mw-redirect" title="Public safety diver">Public safety diver</a></li> <li><a href="/wiki/Scientific_diver" class="mw-redirect" title="Scientific diver">Scientific diver</a></li> <li><a href="/wiki/Underwater_archaeologist" class="mw-redirect" title="Underwater archaeologist">Underwater archaeologist</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Militarydiving" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Military_diving" title="Military diving">Military<br />diving</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Army_engineer_diver" title="Army engineer diver">Army engineer diver</a></li> <li><a href="/wiki/Canadian_Armed_Forces_Divers" title="Canadian Armed Forces Divers">Canadian Armed Forces Divers</a></li> <li><a href="/wiki/Clearance_diver" title="Clearance diver">Clearance diver</a></li> <li><a href="/wiki/Frogman" title="Frogman">Frogman</a></li> <li><a href="/wiki/Minentaucher" title="Minentaucher">Minentaucher</a></li> <li><a href="/wiki/Royal_Navy_ships_diver" title="Royal Navy ships diver">Royal Navy ships diver</a></li> <li><a href="/wiki/United_States_military_divers" title="United States military divers">United States military divers</a> <ul><li><a href="/wiki/Navy_diver_(United_States_Navy)" title="Navy diver (United States Navy)">U.S. Navy diver</a></li> <li><a href="/wiki/Master_diver_(United_States_Navy)" title="Master diver (United States Navy)">U.S.Navy master diver</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Militarydivingunits" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_military_diving_units" title="List of military diving units">Military<br />diving<br />units</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Clearance_Diving_Branch_(RAN)" title="Clearance Diving Branch (RAN)">Clearance Diving Branch (RAN)</a></li> <li><a href="/wiki/Commando_Hubert" class="mw-redirect" title="Commando Hubert">Commando Hubert</a></li> <li><a href="/wiki/Lithuanian_Special_Operations_Force" title="Lithuanian Special Operations Force">Combat Divers Service (Lithuania)</a></li> <li><a href="/wiki/Comando_Raggruppamento_Subacquei_e_Incursori_Teseo_Tesei" title="Comando Raggruppamento Subacquei e Incursori Teseo Tesei">Comando Raggruppamento Subacquei e Incursori Teseo Tesei</a></li> <li><a href="/wiki/Decima_Flottiglia_MAS" title="Decima Flottiglia MAS">Decima Flottiglia MAS</a></li> <li><a href="/wiki/Frogman_Corps_(Denmark)" title="Frogman Corps (Denmark)">Frogman Corps (Denmark)</a></li> <li><a href="/wiki/Fuerzas_Especiales" title="Fuerzas Especiales">Fuerzas Especiales</a></li> <li><a href="/wiki/Fukuryu" title="Fukuryu">Fukuryu</a></li> <li><a href="/wiki/GRUMEC" title="GRUMEC">GRUMEC</a></li> <li><a href="/wiki/Grup_Gerak_Khas" class="mw-redirect" title="Grup Gerak Khas">Grup Gerak Khas</a></li> <li><a href="/wiki/Jagdkommando" title="Jagdkommando">Jagdkommando</a></li> <li><a href="/wiki/JW_Formoza" class="mw-redirect" title="JW Formoza">JW Formoza</a></li> <li><a href="/wiki/JW_GROM" class="mw-redirect" title="JW GROM">JW GROM</a></li> <li><a href="/wiki/JW_Komandos%C3%B3w" class="mw-redirect" title="JW Komandosów">JW Komandosów</a></li> <li><a href="/wiki/Kommando_Spezialkr%C3%A4fte_Marine" title="Kommando Spezialkräfte Marine">Kommando Spezialkräfte Marine</a></li> <li><a href="/wiki/KOPASKA" title="KOPASKA">KOPASKA</a></li> <li><a href="/wiki/MARCOS" title="MARCOS">MARCOS</a></li> <li><a href="/wiki/Marine_Commandos" title="Marine Commandos">Marine Commandos</a></li> <li><a href="/wiki/Marinejegerkommandoen" title="Marinejegerkommandoen">Marinejegerkommandoen</a></li> <li><a href="/wiki/Marine_Raider_Regiment" title="Marine Raider Regiment">Marine Raider Regiment</a></li> <li><a href="/wiki/Minedykkerkommandoen" title="Minedykkerkommandoen">Minedykkerkommandoen</a></li> <li><a href="/wiki/Namibian_Marine_Corps#Operational_Diving_Unit" title="Namibian Marine Corps">Namibian Marine Corps Operational Diving Unit</a></li> <li><a href="/wiki/Naval_Diving_Unit_(Singapore)" title="Naval Diving Unit (Singapore)">Naval Diving Unit (Singapore)</a></li> <li><a href="/wiki/Naval_Service_Diving_Section" title="Naval Service Diving Section">Naval Service Diving Section</a></li> <li><a href="/wiki/Naval_Special_Operations_Command" title="Naval Special Operations Command">Naval Special Operations Command</a></li> <li><a href="/wiki/Operational_Diving_Division_(SA_Navy)" title="Operational Diving Division (SA Navy)">Operational Diving Division (SA Navy)</a></li> <li><a href="/wiki/Royal_Engineers" title="Royal Engineers">Royal Engineers</a></li> <li><a href="/wiki/Russian_commando_frogmen" title="Russian commando frogmen">Russian commando frogmen</a></li> <li><a href="/wiki/Sappers_Divers_Group" title="Sappers Divers Group">Sappers Divers Group</a></li> <li><a href="/wiki/Shayetet_13" title="Shayetet 13">Shayetet 13</a></li> <li><a href="/wiki/Special_Air_Service" title="Special Air Service">Special Air Service</a></li> <li><a href="/wiki/Special_Air_Service_Regiment" title="Special Air Service Regiment">Special Air Service Regiment</a></li> <li><a href="/wiki/Special_Actions_Detachment" title="Special Actions Detachment">Special Actions Detachment</a></li> <li><a href="/wiki/Special_Boat_Service" title="Special Boat Service">Special Boat Service</a></li> <li><a href="/wiki/Special_Boat_Squadron_(Sri_Lanka)" title="Special Boat Squadron (Sri Lanka)">Special Boat Squadron (Sri Lanka)</a></li> <li><a href="/wiki/Special_Forces_Command_(Turkey)" title="Special Forces Command (Turkey)">Special Forces Command (Turkey)</a></li> <li><a href="/wiki/Special_Forces_Group_(Belgium)" title="Special Forces Group (Belgium)">Special Forces Group (Belgium)</a></li> <li><a href="/wiki/Special_Operations_Battalion_(Croatia)" title="Special Operations Battalion (Croatia)">Special Operations Battalion (Croatia)</a></li> <li><a href="/wiki/Special_Service_Group_(Navy)" title="Special Service Group (Navy)">Special Service Group (Navy)</a></li> <li><a href="/wiki/Special_Warfare_Diving_and_Salvage" title="Special Warfare Diving and Salvage">Special Warfare Diving and Salvage</a></li> <li><a href="/wiki/Tactical_Divers_Group" title="Tactical Divers Group">Tactical Divers Group</a></li> <li><a href="/wiki/United_States_Marine_Corps_Force_Reconnaissance" title="United States Marine Corps Force Reconnaissance">US Marine Corps Force Reconnaissance</a></li> <li><a href="/wiki/United_States_Marine_Corps_Reconnaissance_Battalions" title="United States Marine Corps Reconnaissance Battalions">US Marine Corps Reconnaissance Battalions</a></li> <li><a href="/wiki/United_States_Navy_SEALs" title="United States Navy SEALs">US Navy SEALs</a></li> <li><a href="/wiki/Underwater_Construction_Teams" title="Underwater Construction Teams">Underwater Construction Teams</a></li> <li><a href="/wiki/Underwater_Demolition_Command" title="Underwater Demolition Command">Underwater Demolition Command</a></li> <li><a href="/wiki/Underwater_Demolition_Team" title="Underwater Demolition Team">Underwater Demolition Team</a></li> <li><a href="/wiki/Underwater_Offence_(Turkish_Armed_Forces)" title="Underwater Offence (Turkish Armed Forces)">Underwater Offence (Turkish Armed Forces)</a></li> <li><a href="/wiki/UNGERIN" title="UNGERIN">UNGERIN</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Underwater_work" title="Underwater work">Underwater<br />work</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Commercial_offshore_diving" title="Commercial offshore diving">Commercial offshore diving</a></li> <li><a href="/wiki/Dive_leader" title="Dive leader">Dive leader</a></li> <li><a href="/wiki/Diver_training" title="Diver training">Diver training</a> <ul><li><a href="/wiki/Recreational_diver_training" title="Recreational diver training">Recreational diver training</a></li></ul></li> <li><a href="/wiki/Hazmat_diving" title="Hazmat diving">Hazmat diving</a></li> <li><a href="/wiki/Hyperbaric_welding" title="Hyperbaric welding">Hyperbaric welding</a></li> <li><a href="/wiki/Marine_construction" title="Marine construction">Marine construction</a> <ul><li><a href="/wiki/Offshore_construction" title="Offshore construction">Offshore construction</a></li> <li><a href="/wiki/Underwater_construction" title="Underwater construction">Underwater construction</a></li></ul></li> <li><a href="/wiki/Media_diving" title="Media diving">Media diving</a></li> <li><a href="/wiki/Pearl_hunting" title="Pearl hunting">Pearl hunting</a></li> <li><a href="/wiki/Police_diving" title="Police diving">Police diving</a></li> <li><a href="/wiki/Potable_water_diving" title="Potable water diving">Potable water diving</a></li> <li><a href="/wiki/Public_safety_diving" title="Public safety diving">Public safety diving</a></li> <li><a href="/wiki/Scientific_diving" title="Scientific diving">Scientific diving</a></li> <li><a href="/wiki/Ships_husbandry" title="Ships husbandry">Ships husbandry</a></li> <li><a href="/wiki/Sponge_diving" title="Sponge diving">Sponge diving</a></li> <li><a href="/wiki/Submarine_pipeline" title="Submarine pipeline">Submarine pipeline</a></li> <li><a href="/wiki/Underwater_archaeology" title="Underwater archaeology">Underwater archaeology</a> <ul><li><a href="/wiki/Archaeology_of_shipwrecks" title="Archaeology of shipwrecks">Archaeology of shipwrecks</a></li></ul></li> <li><a href="/wiki/Underwater_cutting_and_welding" title="Underwater cutting and welding">Underwater cutting and welding</a></li> <li><a href="/wiki/Underwater_demolition" title="Underwater demolition">Underwater demolition</a></li> <li><a href="/wiki/Underwater_inspection" class="mw-redirect" title="Underwater inspection">Underwater inspection</a> <ul><li><a href="/wiki/Nondestructive_testing" title="Nondestructive testing">Nondestructive testing</a></li></ul></li> <li><a href="/wiki/Underwater_logging" title="Underwater logging">Underwater logging</a></li> <li><a href="/wiki/Underwater_photography" title="Underwater photography">Underwater photography</a></li> <li><a href="/wiki/Underwater_search_and_recovery" title="Underwater search and recovery">Underwater search and recovery</a> <ul><li><a href="/wiki/Underwater_searches" title="Underwater searches">Underwater searches</a></li></ul></li> <li><a href="/wiki/Underwater_videography" title="Underwater videography">Underwater videography</a></li> <li><a href="/wiki/Underwater_survey" title="Underwater survey">Underwater survey</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Salvage_diving" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Salvage_diving" title="Salvage diving">Salvage diving</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SS_Egypt" title="SS Egypt">SS <i>Egypt</i></a></li> <li><a href="/wiki/Kronan_(ship)" title="Kronan (ship)"><i>Kronan</i></a></li> <li><a href="/wiki/La_Belle_(ship)" title="La Belle (ship)"><i>La Belle</i></a></li> <li><a href="/wiki/SS_Laurentic_(1908)" title="SS Laurentic (1908)">SS <i>Laurentic</i></a></li> <li><a href="/wiki/RMS_Lusitania" title="RMS Lusitania">RMS <i>Lusitania</i></a></li> <li><a href="/wiki/Swedish_warship_Mars" title="Swedish warship Mars"><i>Mars</i></a></li> <li><a href="/wiki/Mary_Rose" title="Mary Rose"><i>Mary Rose</i></a></li> <li><a href="/wiki/USS_Monitor" title="USS Monitor">USS <i>Monitor</i></a></li> <li><a href="/wiki/HMS_Royal_George_(1756)" title="HMS Royal George (1756)">HMS <i>Royal George</i></a></li> <li><a href="/wiki/Vasa_(ship)" title="Vasa (ship)"><i>Vasa</i></a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_contractor" class="mw-redirect" title="Diving contractor">Diving<br />contractors</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Compagnie_maritime_d%27expertises" title="Compagnie maritime d'expertises">COMEX</a></li> <li><a href="/wiki/Helix_Energy_Solutions_Group" title="Helix Energy Solutions Group">Helix Energy Solutions Group</a></li> <li><a href="/wiki/International_Marine_Contractors_Association" title="International Marine Contractors Association">International Marine Contractors Association</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Tools and<br />equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abrasive_waterjet" class="mw-redirect" title="Abrasive waterjet">Abrasive waterjet</a></li> <li><a href="/wiki/Airlift_(dredging_device)" title="Airlift (dredging device)">Airlift</a></li> <li><a href="/wiki/Baited_remote_underwater_video" title="Baited remote underwater video">Baited remote underwater video</a></li> <li><a href="/wiki/In-water_surface_cleaning" title="In-water surface cleaning">In-water surface cleaning</a> <ul><li>Brush cart</li> <li><a href="/w/index.php?title=Cavitation_cleaning&action=edit&redlink=1" class="new" title="Cavitation cleaning (page does not exist)">Cavitation cleaning</a></li> <li><a href="/wiki/Pressure_washing" title="Pressure washing">Pressure washing</a></li> <li><a href="/wiki/Pigging" title="Pigging">Pigging</a></li></ul></li> <li><a href="/wiki/Hot_stab" title="Hot stab">Hot stab</a></li> <li><a href="/wiki/Lifting_bag" title="Lifting bag">Lifting bag</a></li> <li><a href="/wiki/Remotely_operated_underwater_vehicle" title="Remotely operated underwater vehicle">Remotely operated underwater vehicle</a></li> <li><a href="/wiki/Thermal_lance" title="Thermal lance">Thermal lance</a></li> <li><a href="/wiki/Tremie" title="Tremie">Tremie</a></li> <li><a href="/w/index.php?title=Water_jetting&action=edit&redlink=1" class="new" title="Water jetting (page does not exist)">Water jetting</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater<br />weapons</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Limpet_mine" title="Limpet mine">Limpet mine</a></li> <li><a href="/wiki/Speargun" title="Speargun">Speargun</a> <ul><li><a href="/wiki/Hawaiian_sling" title="Hawaiian sling">Hawaiian sling</a></li> <li><a href="/wiki/Polespear" title="Polespear">Polespear</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Underwaterfirearm" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Underwater_firearm" title="Underwater firearm">Underwater<br />firearm</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gyrojet" title="Gyrojet">Gyrojet</a></li> <li><a href="/wiki/Mk_1_Underwater_Defense_Gun" title="Mk 1 Underwater Defense Gun">Mk 1 Underwater Defense Gun</a></li> <li><a href="/wiki/Powerhead_(firearm)" title="Powerhead (firearm)">Powerhead</a></li> <li>Underwater pistols <ul><li><a href="/wiki/Heckler_%26_Koch_P11" title="Heckler & Koch P11">Heckler & Koch P11</a></li> <li><a href="/wiki/SPP-1_underwater_pistol" title="SPP-1 underwater pistol">SPP-1 underwater pistol</a></li></ul></li> <li>Underwater revolvers <ul><li><a href="/wiki/AAI_underwater_revolver" title="AAI underwater revolver">AAI underwater revolver</a></li></ul></li> <li>Underwater rifles <ul><li><a href="/wiki/ADS_amphibious_rifle" title="ADS amphibious rifle">ADS amphibious rifle</a></li> <li><a href="/wiki/APS_underwater_rifle" title="APS underwater rifle">APS underwater rifle</a></li> <li><a href="/wiki/ASM-DT_amphibious_rifle" title="ASM-DT amphibious rifle">ASM-DT amphibious rifle</a></li> <li><a href="/wiki/QBS-06" title="QBS-06">QBS-06</a></li></ul></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Recreational_diving" style="font-size:114%;margin:0 4em"><a href="/wiki/Recreational_diving" title="Recreational diving">Recreational diving</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Recreational_dive_sites" title="Recreational dive sites">Recreational dive sites</a></li> <li><a href="/wiki/Index_of_recreational_dive_sites" title="Index of recreational dive sites">Index of recreational dive sites</a></li> <li><a href="/wiki/List_of_wreck_diving_sites" title="List of wreck diving sites">List of wreck diving sites</a></li> <li><a href="/wiki/Outline_of_recreational_dive_sites" title="Outline of recreational dive sites">Outline of recreational dive sites</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Specialties</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Altitude_diving" title="Altitude diving">Altitude diving</a></li> <li><a href="/wiki/Cave_diving" title="Cave diving">Cave diving</a></li> <li><a href="/wiki/Deep_diving" title="Deep diving">Deep diving</a></li> <li><a href="/wiki/Ice_diving" title="Ice diving">Ice diving</a></li> <li><a href="/wiki/Muck_diving" title="Muck diving">Muck diving</a></li> <li><a href="/wiki/Open-water_diving" title="Open-water diving">Open-water diving</a></li> <li><a href="/wiki/Rebreather_diving" title="Rebreather diving">Rebreather diving</a></li> <li><a href="/wiki/Sidemount_diving" title="Sidemount diving">Sidemount diving</a></li> <li><a href="/wiki/Solo_diving" title="Solo diving">Solo diving</a></li> <li><a href="/wiki/Technical_diving" title="Technical diving">Technical diving</a></li> <li><a href="/wiki/Underwater_photography" title="Underwater photography">Underwater photography</a></li> <li><a href="/wiki/Wreck_diving" title="Wreck diving">Wreck diving</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diver_organisations" title="Diver organisations">Diver<br />organisations</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">British Sub-Aqua Club</a> (BSAC)</li> <li><a href="/wiki/Cave_Divers_Association_of_Australia" title="Cave Divers Association of Australia">Cave Divers Association of Australia</a> (CDAA)</li> <li><a href="/wiki/Cave_Diving_Group" title="Cave Diving Group">Cave Diving Group</a> (CDG)</li> <li><a href="/wiki/Comhairle_Fo-Thuinn" title="Comhairle Fo-Thuinn">Comhairle Fo-Thuinn</a> (CFT)</li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a> (CMAS)</li> <li><a href="/wiki/Federaci%C3%B3n_Espa%C3%B1ola_de_Actividades_Subacu%C3%A1ticas" title="Federación Española de Actividades Subacuáticas">Federación Española de Actividades Subacuáticas</a> (FEDAS)</li> <li><a href="/wiki/F%C3%A9d%C3%A9ration_Fran%C3%A7aise_d%27%C3%89tudes_et_de_Sports_Sous-Marins" title="Fédération Française d'Études et de Sports Sous-Marins">Fédération Française d'Études et de Sports Sous-Marins</a> (FFESSM)</li> <li><a href="/wiki/International_Association_for_Handicapped_Divers" title="International Association for Handicapped Divers">International Association for Handicapped Divers</a> (IAHD)</li> <li><a href="/wiki/Quintana_Roo_Speleological_Survey" title="Quintana Roo Speleological Survey">Quintana Roo Speleological Survey</a> (QRSS)</li> <li><a href="/wiki/Woodville_Karst_Plain_Project" title="Woodville Karst Plain Project">Woodville Karst Plain Project</a> (WKPP)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diving tourism<br />industry</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dive_center" title="Dive center">Dive center</a></li> <li><a href="/wiki/Diving_in_East_Timor" title="Diving in East Timor">Diving in East Timor</a></li> <li><a href="/wiki/Diving_in_the_Maldives" title="Diving in the Maldives">Diving in the Maldives</a></li> <li><a href="/wiki/Environmental_impact_of_recreational_diving" title="Environmental impact of recreational diving">Environmental impact of recreational diving</a></li> <li><a href="/wiki/Scuba_diving_tourism" title="Scuba diving tourism">Scuba diving tourism</a></li> <li><a href="/wiki/Scuba_diving_in_the_Cayman_Islands" title="Scuba diving in the Cayman Islands">Scuba diving in the Cayman Islands</a></li> <li><a href="/wiki/Shark_tourism" title="Shark tourism">Shark tourism</a></li> <li><a href="/wiki/Sinking_ships_for_wreck_diving_sites" title="Sinking ships for wreck diving sites">Sinking ships for wreck diving sites</a></li> <li><a href="/wiki/Underwater_diving_on_Guam" class="mw-redirect" title="Underwater diving on Guam">Underwater diving on Guam</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diving events<br />and festivals</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diversnight" title="Diversnight">Diversnight</a></li> <li><a href="/wiki/Underwater_Bike_Race" title="Underwater Bike Race">Underwater Bike Race</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Diving_safety" style="font-size:114%;margin:0 4em"><a href="/wiki/Diving_safety" title="Diving safety">Diving safety</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Human_factors_in_diving_equipment_design" title="Human factors in diving equipment design">Human factors in diving equipment design</a></li> <li><a href="/wiki/Human_factors_in_diving_safety" title="Human factors in diving safety">Human factors in diving safety</a></li> <li><a href="/wiki/Life-support_system" title="Life-support system">Life-support system</a></li> <li><a href="/wiki/Safety-critical_system" title="Safety-critical system">Safety-critical system</a></li> <li><a href="/wiki/Scuba_diving_fatalities" title="Scuba diving fatalities">Scuba diving fatalities</a></li> <li><a href="/wiki/Underwater_diving_emergency" title="Underwater diving emergency">Underwater diving emergency</a></li> <li><a href="/wiki/Water_safety" title="Water safety">Water safety</a></li> <li><a href="/wiki/Water_surface_searches" title="Water surface searches">Water surface searches</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_hazards" title="Diving hazards">Diving<br />hazards</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_diving_hazards_and_precautions" title="List of diving hazards and precautions">List of diving hazards and precautions</a></li> <li><a href="/wiki/Hazards_of_the_diving_environment" class="mw-redirect" title="Hazards of the diving environment">Environmental</a> <ul><li><a href="/wiki/Ocean_current" title="Ocean current">Current</a></li> <li><a href="/wiki/Delta-P_(hazard)" class="mw-redirect" title="Delta-P (hazard)">Delta-P</a></li> <li><a href="/wiki/Entanglement_(hazard)" class="mw-redirect" title="Entanglement (hazard)">Entanglement hazard</a></li> <li><a href="/wiki/Penetration_diving" title="Penetration diving">Overhead</a></li> <li><a href="/wiki/Silt_out" title="Silt out">Silt out</a></li> <li><a href="/wiki/Wave_action" class="mw-redirect" title="Wave action">Wave action</a></li></ul></li> <li>Equipment <ul><li><a href="/wiki/Freeflow" title="Freeflow">Freeflow</a></li> <li><a href="/wiki/List_of_diving_hazards_and_precautions#Use_of_breathing_equipment_in_an_underwater_environment" title="List of diving hazards and precautions">Use of breathing equipment in an underwater environment</a></li> <li><a href="/wiki/List_of_diving_hazards_and_precautions#Failure_of_diving_equipment_other_than_breathing_apparatus" title="List of diving hazards and precautions">Failure of diving equipment other than breathing apparatus</a></li> <li><a href="/wiki/Single_point_of_failure" title="Single point of failure">Single point of failure</a></li></ul></li> <li>Physiological <ul><li><a href="/wiki/Cold_shock_response" title="Cold shock response">Cold shock response</a></li> <li><a href="/wiki/Decompression_(diving)" title="Decompression (diving)">Decompression</a></li> <li><a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">Nitrogen narcosis</a></li> <li><a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">Oxygen toxicity</a></li> <li><a href="/wiki/Seasickness" class="mw-redirect" title="Seasickness">Seasickness</a></li> <li><a href="/wiki/Uncontrolled_decompression" title="Uncontrolled decompression">Uncontrolled decompression</a></li></ul></li> <li><a href="/wiki/List_of_diving_hazards_and_precautions#Diver_behaviour_and_competence" title="List of diving hazards and precautions">Diver behaviour and competence</a> <ul><li>Lack of <a href="/wiki/Competence_(human_resources)" title="Competence (human resources)">competence</a></li> <li><a href="/wiki/Overconfidence_effect" title="Overconfidence effect">Overconfidence effect</a></li> <li><a href="/wiki/Panic" title="Panic">Panic</a></li> <li><a href="/wiki/Task_loading" title="Task loading">Task loading</a></li> <li><a href="/wiki/Anxiety#Trait" title="Anxiety">Trait anxiety</a></li> <li><a href="/wiki/Willful_violation" title="Willful violation">Willful violation</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Consequences" scope="row" class="navbox-group" style="width:1%">Consequences</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Barotrauma" title="Barotrauma">Barotrauma</a></li> <li><a href="/wiki/Decompression_sickness" title="Decompression sickness">Decompression sickness</a></li> <li><a href="/wiki/Drowning" title="Drowning">Drowning</a></li> <li><a href="/wiki/Hypothermia" title="Hypothermia">Hypothermia</a></li> <li><a href="/wiki/Hypoxia_(medical)" class="mw-redirect" title="Hypoxia (medical)">Hypoxia</a></li> <li><a href="/wiki/Hypercapnia" title="Hypercapnia">Hypercapnia</a></li> <li><a href="/wiki/Hyperthermia" title="Hyperthermia">Hyperthermia</a></li> <li><a href="/wiki/Non-freezing_cold_injury" title="Non-freezing cold injury">Non-freezing cold injury</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_procedures" title="Diving procedures">Diving<br />procedures</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ascending_and_descending_(diving)" title="Ascending and descending (diving)">Ascending and descending</a> <ul><li><a href="/wiki/Emergency_ascent" title="Emergency ascent">Emergency ascent</a></li></ul></li> <li><a href="/wiki/Boat_diving" class="mw-redirect" title="Boat diving">Boat diving</a> <ul><li><a href="/wiki/Canoe_and_kayak_diving" title="Canoe and kayak diving">Canoe and kayak diving</a></li></ul></li> <li><a href="/wiki/Buddy_diving" title="Buddy diving">Buddy diving</a> <ul><li><a href="/wiki/Buddy_check" title="Buddy check">buddy check</a></li></ul></li> <li><a href="/wiki/Decompression_(diving)" title="Decompression (diving)">Decompression</a> <ul><li><a href="/wiki/Decompression_practice" title="Decompression practice">Decompression practice</a></li> <li><a href="/wiki/Pyle_stop" title="Pyle stop">Pyle stop</a></li> <li><a href="/wiki/Ratio_decompression" title="Ratio decompression">Ratio decompression</a></li></ul></li> <li><a href="/wiki/Dive_briefing" title="Dive briefing">Dive briefing</a></li> <li><a href="/wiki/Dive_log" title="Dive log">Dive log</a></li> <li><a href="/wiki/Dive_planning" title="Dive planning">Dive planning</a> <ul><li><a href="/wiki/Rule_of_thirds_(diving)" title="Rule of thirds (diving)">Rule of thirds</a></li> <li><a href="/wiki/Scuba_gas_planning" title="Scuba gas planning">Scuba gas planning</a></li></ul></li> <li><a href="/wiki/Diver_communications" title="Diver communications">Diver communications</a></li> <li><a href="/wiki/Diver_rescue" title="Diver rescue">Diver rescue</a></li> <li><a href="/wiki/Diver_training" title="Diver training">Diver training</a></li> <li><a href="/wiki/Doing_It_Right_(scuba_diving)" title="Doing It Right (scuba diving)">Doing It Right</a></li> <li><a href="/wiki/Drift_diving" title="Drift diving">Drift diving</a></li> <li><a href="/wiki/Gas_blending_for_scuba_diving" title="Gas blending for scuba diving">Gas blending for scuba diving</a></li> <li><a href="/wiki/Night_diving" title="Night diving">Night diving</a></li> <li><a href="/wiki/Rebreather_diving" title="Rebreather diving">Rebreather diving</a></li> <li><a href="/wiki/Scuba_gas_management" title="Scuba gas management">Scuba gas management</a></li> <li><a href="/wiki/Solo_diving" title="Solo diving">Solo diving</a></li> <li><a href="/wiki/Wall_diving" title="Wall diving">Wall diving</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Risk_management" title="Risk management">Risk<br />management</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Checklist" title="Checklist">Checklist</a></li> <li>Hazard identification and risk assessment <ul><li><a href="/wiki/Hazard_analysis" title="Hazard analysis">Hazard analysis</a></li> <li><a href="/wiki/Job_safety_analysis" title="Job safety analysis">Job safety analysis</a></li> <li><a href="/wiki/Risk_assessment" title="Risk assessment">Risk assessment</a></li></ul></li> <li><a href="/wiki/Hyperbaric_evacuation_and_rescue" title="Hyperbaric evacuation and rescue">Hyperbaric evacuation and rescue</a></li> <li><a href="/wiki/Risk_control" title="Risk control">Risk control</a> <ul><li><a href="/wiki/Hierarchy_of_hazard_controls" title="Hierarchy of hazard controls">Hierarchy of hazard controls</a></li></ul></li> <li><a href="/wiki/Incident_pit" title="Incident pit">Incident pit</a></li> <li><a href="/wiki/Lockout%E2%80%93tagout" title="Lockout–tagout">Lockout–tagout</a></li> <li><a href="/wiki/Permit_To_Work" class="mw-redirect" title="Permit To Work">Permit To Work</a></li> <li><a href="/wiki/Redundancy_(engineering)" title="Redundancy (engineering)">Redundancy</a></li> <li><a href="/wiki/Safety_data_sheet" title="Safety data sheet">Safety data sheet</a></li> <li><a href="/wiki/Situation_awareness" title="Situation awareness">Situation awareness</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_team" title="Diving team">Diving team</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bellman_(diving)" class="mw-redirect" title="Bellman (diving)">Bellman</a></li> <li><a href="/wiki/Chamber_operator" class="mw-redirect" title="Chamber operator">Chamber operator</a></li> <li><a href="/wiki/Diver_medical_technician" class="mw-redirect" title="Diver medical technician">Diver medical technician</a></li> <li><a href="/wiki/Diver%27s_attendant" class="mw-redirect" title="Diver's attendant">Diver's attendant</a></li> <li><a href="/wiki/Diving_supervisor" title="Diving supervisor">Diving supervisor</a></li> <li><a href="/wiki/Diving_systems_technician" class="mw-redirect" title="Diving systems technician">Diving systems technician</a></li> <li><a href="/wiki/Gas_man" class="mw-redirect" title="Gas man">Gas man</a></li> <li><a href="/wiki/Life_support_technician" class="mw-redirect" title="Life support technician">Life support technician</a></li> <li><a href="/wiki/Stand-by_diver" class="mw-redirect" title="Stand-by diver">Stand-by diver</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Equipment<br />safety</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Breathing_gas_quality" class="mw-redirect" title="Breathing gas quality">Breathing gas quality</a></li> <li><a href="/wiki/Testing_and_inspection_of_diving_cylinders" title="Testing and inspection of diving cylinders">Testing and inspection of diving cylinders</a> <ul><li><a href="/wiki/Hydrostatic_test" title="Hydrostatic test">Hydrostatic test</a></li> <li><a href="/wiki/Sustained_load_cracking" title="Sustained load cracking">Sustained load cracking</a></li></ul></li> <li><a href="/wiki/Diving_regulator" title="Diving regulator">Diving regulator</a> <ul><li><a href="/wiki/Breathing_performance_of_regulators" title="Breathing performance of regulators">Breathing performance of regulators</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Occupational_safety_and_health" title="Occupational safety and health">Occupational<br />safety and<br />health</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Association_of_Diving_Contractors_International" title="Association of Diving Contractors International">Association of Diving Contractors International</a></li> <li><a href="/wiki/International_Marine_Contractors_Association" title="International Marine Contractors Association">International Marine Contractors Association</a></li> <li><a href="/wiki/Code_of_practice" title="Code of practice">Code of practice</a></li> <li><a href="/wiki/Contingency_plan" title="Contingency plan">Contingency plan</a></li> <li><a href="/wiki/Diving_regulations" title="Diving regulations">Diving regulations</a></li> <li><a href="/wiki/Emergency_response_plan" class="mw-redirect" title="Emergency response plan">Emergency response plan</a></li> <li><a href="/wiki/Diving_safety_officer" title="Diving safety officer">Diving safety officer</a></li> <li><a href="/wiki/Diving_superintendent" class="mw-redirect" title="Diving superintendent">Diving superintendent</a></li> <li><a href="/wiki/Diving_supervisor" title="Diving supervisor">Diving supervisor</a></li> <li><a href="/wiki/Operations_manual" title="Operations manual">Operations manual</a></li> <li><a href="/wiki/Standard_operating_procedure" title="Standard operating procedure">Standard operating procedure</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Diving_medicine" style="font-size:114%;margin:0 4em"><a href="/wiki/Diving_medicine" title="Diving medicine">Diving medicine</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_disorders" title="Diving disorders">Diving<br />disorders</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_signs_and_symptoms_of_diving_disorders" title="List of signs and symptoms of diving disorders">List of signs and symptoms of diving disorders</a></li> <li><a href="/wiki/Cramp" title="Cramp">Cramp</a></li> <li><a href="/wiki/Motion_sickness" title="Motion sickness">Motion sickness</a></li> <li><a href="/wiki/Surfer%27s_ear" title="Surfer's ear">Surfer's ear</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Pressure<br />related</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alternobaric_vertigo" title="Alternobaric vertigo">Alternobaric vertigo</a></li> <li><a href="/wiki/Barostriction" class="mw-redirect" title="Barostriction">Barostriction</a></li> <li><a href="/wiki/Barotrauma" title="Barotrauma">Barotrauma</a> <ul><li><a href="/wiki/Air_embolism" title="Air embolism">Air embolism</a></li> <li><a href="/wiki/Aerosinusitis" title="Aerosinusitis">Aerosinusitis</a></li> <li><a href="/wiki/Barodontalgia" title="Barodontalgia">Barodontalgia</a></li> <li><a href="/wiki/Dental_barotrauma" class="mw-redirect" title="Dental barotrauma">Dental barotrauma</a></li> <li><a href="/wiki/Middle_ear_barotrauma" title="Middle ear barotrauma">Middle ear barotrauma</a></li> <li><a href="/wiki/Pulmonary_barotrauma" class="mw-redirect" title="Pulmonary barotrauma">Pulmonary barotrauma</a></li></ul></li> <li><a href="/wiki/Compression_arthralgia" title="Compression arthralgia">Compression arthralgia</a></li> <li><a href="/wiki/Decompression_illness" title="Decompression illness">Decompression illness</a></li> <li><a href="/wiki/Dysbarism" title="Dysbarism">Dysbarism</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Oxygen</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Freediving_blackout" title="Freediving blackout">Freediving blackout</a></li> <li><a href="/wiki/Hyperoxia" title="Hyperoxia">Hyperoxia</a></li> <li><a href="/wiki/Hypoxia_(medical)" class="mw-redirect" title="Hypoxia (medical)">Hypoxia</a></li> <li><a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">Oxygen toxicity</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Inert gases</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Avascular_necrosis" title="Avascular necrosis">Avascular necrosis</a></li> <li><a href="/wiki/Decompression_sickness" title="Decompression sickness">Decompression sickness</a> <ul><li><a href="/wiki/Dysbaric_osteonecrosis" title="Dysbaric osteonecrosis">Dysbaric osteonecrosis</a></li> <li><a href="/wiki/Inner_ear_decompression_sickness" title="Inner ear decompression sickness">Inner ear decompression sickness</a></li> <li><a href="/wiki/Isobaric_counterdiffusion" title="Isobaric counterdiffusion">Isobaric counterdiffusion</a></li> <li><a href="/wiki/Taravana" title="Taravana">Taravana</a></li></ul></li> <li><a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">High-pressure nervous syndrome</a></li> <li><a href="/wiki/Hydrogen_narcosis" title="Hydrogen narcosis">Hydrogen narcosis</a></li> <li><a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">Nitrogen narcosis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Carbon dioxide</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hypercapnia" title="Hypercapnia">Hypercapnia</a></li> <li><a href="/wiki/Hypocapnia" title="Hypocapnia">Hypocapnia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Breathing gas<br />contaminants</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Carbon_monoxide_poisoning" title="Carbon monoxide poisoning">Carbon monoxide poisoning</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Immersion<br />related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asphyxia" title="Asphyxia">Asphyxia</a></li> <li><a href="/wiki/Drowning" title="Drowning">Drowning</a></li> <li><a href="/wiki/Hypothermia" title="Hypothermia">Hypothermia</a></li> <li><a href="/wiki/Immersion_diuresis" class="mw-redirect" title="Immersion diuresis">Immersion diuresis</a></li> <li><a href="/wiki/Instinctive_drowning_response" title="Instinctive drowning response">Instinctive drowning response</a></li> <li><a href="/wiki/Laryngospasm" title="Laryngospasm">Laryngospasm</a></li> <li><a href="/wiki/Salt_water_aspiration_syndrome" title="Salt water aspiration syndrome">Salt water aspiration syndrome</a></li> <li><a href="/wiki/Swimming-induced_pulmonary_edema" title="Swimming-induced pulmonary edema">Swimming-induced pulmonary edema</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Treatment</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Demand_valve_oxygen_therapy" title="Demand valve oxygen therapy">Demand valve oxygen therapy</a></li> <li><a href="/wiki/First_aid" title="First aid">First aid</a></li> <li><a href="/wiki/Hyperbaric_medicine" title="Hyperbaric medicine">Hyperbaric medicine</a></li> <li><a href="/wiki/Hyperbaric_treatment_schedules" title="Hyperbaric treatment schedules">Hyperbaric treatment schedules</a></li> <li><a href="/wiki/In-water_recompression" title="In-water recompression">In-water recompression</a></li> <li><a href="/wiki/Oxygen_therapy" title="Oxygen therapy">Oxygen therapy</a></li> <li><a href="/wiki/Therapeutic_recompression" class="mw-redirect" title="Therapeutic recompression">Therapeutic recompression</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Personnel</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_Medical_Examiner" class="mw-redirect" title="Diving Medical Examiner">Diving Medical Examiner</a></li> <li><a href="/wiki/Diving_Medical_Practitioner" class="mw-redirect" title="Diving Medical Practitioner">Diving Medical Practitioner</a></li> <li><a href="/wiki/Diving_Medical_Technician" class="mw-redirect" title="Diving Medical Technician">Diving Medical Technician</a></li> <li><a href="/wiki/Hyperbaric_nursing" title="Hyperbaric nursing">Hyperbaric nursing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Screening</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atrial_septal_defect" title="Atrial septal defect">Atrial septal defect</a></li> <li><a href="/wiki/Effects_of_drugs_on_fitness_to_dive" class="mw-redirect" title="Effects of drugs on fitness to dive">Effects of drugs on fitness to dive</a></li> <li><a href="/wiki/Fitness_to_dive" title="Fitness to dive">Fitness to dive</a></li> <li><a href="/wiki/Psychological_fitness_to_dive" class="mw-redirect" title="Psychological fitness to dive">Psychological fitness to dive</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Research</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_researchers_in_diving_physiology_and_medicine" class="mw-redirect" title="List of researchers in diving physiology and medicine">Researchers in<br />diving physiology<br />and medicine</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arthur_J._Bachrach" title="Arthur J. Bachrach">Arthur J. Bachrach</a></li> <li><a href="/wiki/Albert_R._Behnke" title="Albert R. Behnke">Albert R. Behnke</a></li> <li><a href="/wiki/Peter_B._Bennett" title="Peter B. Bennett">Peter B. Bennett</a></li> <li><a href="/wiki/Paul_Bert" title="Paul Bert">Paul Bert</a></li> <li><a href="/wiki/George_F._Bond" title="George F. Bond">George F. Bond</a></li> <li><a href="/wiki/Robert_Boyle" title="Robert Boyle">Robert Boyle</a></li> <li><a href="/wiki/Alf_O._Brubakk" title="Alf O. Brubakk">Alf O. Brubakk</a></li> <li><a href="/wiki/Albert_A._B%C3%BChlmann" title="Albert A. Bühlmann">Albert A. Bühlmann</a></li> <li><a href="/wiki/John_R._Clarke_(scientist)" title="John R. Clarke (scientist)">John R. Clarke</a></li> <li><a href="/wiki/Guybon_Chesney_Castell_Damant" title="Guybon Chesney Castell Damant">Guybon Chesney Castell Damant</a></li> <li><a href="/wiki/Kenneth_William_Donald" title="Kenneth William Donald">Kenneth William Donald</a></li> <li><a href="/wiki/William_Paul_Fife" title="William Paul Fife">William Paul Fife</a></li> <li><a href="/wiki/John_Scott_Haldane" title="John Scott Haldane">John Scott Haldane</a></li> <li><a href="/wiki/Robert_William_Hamilton_Jr." title="Robert William Hamilton Jr.">Robert William Hamilton Jr.</a></li> <li><a href="/wiki/Henry_Valence_Hempleman" title="Henry Valence Hempleman">Henry Valence Hempleman</a></li> <li><a href="/wiki/Leonard_Erskine_Hill" class="mw-redirect" title="Leonard Erskine Hill">Leonard Erskine Hill</a></li> <li><a href="/wiki/Brian_Andrew_Hills" title="Brian Andrew Hills">Brian Andrew Hills</a></li> <li><a href="/wiki/Felix_Hoppe-Seyler" title="Felix Hoppe-Seyler">Felix Hoppe-Seyler</a></li> <li><a href="/wiki/Christian_J._Lambertsen" title="Christian J. Lambertsen">Christian J. Lambertsen</a></li> <li><a href="/wiki/Simon_Mitchell" title="Simon Mitchell">Simon Mitchell</a></li> <li><a href="/wiki/Charles_Momsen" title="Charles Momsen">Charles Momsen</a></li> <li><a href="/wiki/Neal_W._Pollock" title="Neal W. Pollock">Neal W. Pollock</a></li> <li><a href="/wiki/John_Rawlins_(Royal_Navy_officer)" title="John Rawlins (Royal Navy officer)">John Rawlins</a></li> <li><a href="/wiki/Charles_Wesley_Shilling" title="Charles Wesley Shilling">Charles Wesley Shilling</a></li> <li><a href="/wiki/Edward_D._Thalmann" title="Edward D. Thalmann">Edward D. Thalmann</a></li> <li><a href="/wiki/Jacques_Triger" title="Jacques Triger">Jacques Triger</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diving medical<br />research<br />organisations</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aerospace_Medical_Association" title="Aerospace Medical Association">Aerospace Medical Association</a></li> <li><a href="/wiki/Divers_Alert_Network" title="Divers Alert Network">Divers Alert Network</a> (DAN)</li> <li><a href="/wiki/Diving_Diseases_Research_Centre" class="mw-redirect" title="Diving Diseases Research Centre">Diving Diseases Research Centre</a> (DDRC)</li> <li><a href="/wiki/Diving_Medical_Advisory_Council" title="Diving Medical Advisory Council">Diving Medical Advisory Council</a> (DMAC)</li> <li><a href="/wiki/European_Diving_Technology_Committee" title="European Diving Technology Committee">European Diving Technology Committee</a> (EDTC)</li> <li><a href="/wiki/European_Underwater_and_Baromedical_Society" title="European Underwater and Baromedical Society">European Underwater and Baromedical Society</a> (EUBS)</li> <li><a href="/wiki/National_Board_of_Diving_and_Hyperbaric_Medical_Technology" title="National Board of Diving and Hyperbaric Medical Technology">National Board of Diving and Hyperbaric Medical Technology</a></li> <li><a href="/wiki/Naval_Submarine_Medical_Research_Laboratory" title="Naval Submarine Medical Research Laboratory">Naval Submarine Medical Research Laboratory</a></li> <li><a href="/wiki/Royal_Australian_Navy_School_of_Underwater_Medicine" title="Royal Australian Navy School of Underwater Medicine">Royal Australian Navy School of Underwater Medicine</a></li> <li><a href="/wiki/Rubicon_Foundation" title="Rubicon Foundation">Rubicon Foundation</a></li> <li><a href="/wiki/South_Pacific_Underwater_Medicine_Society" title="South Pacific Underwater Medicine Society">South Pacific Underwater Medicine Society</a> (SPUMS)</li> <li><a href="/wiki/Southern_African_Underwater_and_Hyperbaric_Medical_Association" title="Southern African Underwater and Hyperbaric Medical Association">Southern African Underwater and Hyperbaric Medical Association</a> (SAUHMA)</li> <li><a href="/wiki/Undersea_and_Hyperbaric_Medical_Society" title="Undersea and Hyperbaric Medical Society">Undersea and Hyperbaric Medical Society</a> (UHMS)</li> <li><a href="/wiki/United_States_Navy_Experimental_Diving_Unit" title="United States Navy Experimental Diving Unit">United States Navy Experimental Diving Unit</a> (NEDU)</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Law" style="font-size:114%;margin:0 4em">Law</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Civil_liability_in_recreational_diving" title="Civil liability in recreational diving">Civil liability in recreational diving</a></li> <li><a href="/wiki/Diving_regulations" title="Diving regulations">Diving regulations</a></li> <li><a href="/wiki/Duty_of_care" title="Duty of care">Duty of care</a></li> <li><a href="/wiki/List_of_legislation_regulating_underwater_diving" title="List of legislation regulating underwater diving">List of legislation regulating underwater diving</a></li> <li><a href="/wiki/Investigation_of_diving_accidents" title="Investigation of diving accidents">Investigation of diving accidents</a></li> <li><a href="/wiki/Convention_on_the_Protection_of_the_Underwater_Cultural_Heritage" title="Convention on the Protection of the Underwater Cultural Heritage">Convention on the Protection of the Underwater Cultural Heritage</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="History_of_underwater_diving" style="font-size:114%;margin:0 4em"><a href="/wiki/History_of_underwater_diving" title="History of underwater diving">History of underwater diving</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/History_of_decompression_research_and_development" title="History of decompression research and development">History of decompression research and development</a></li> <li><a href="/wiki/History_of_dive_computers" class="mw-redirect" title="History of dive computers">History of dive computers</a></li> <li><a href="/wiki/History_of_Diving_Museum" title="History of Diving Museum">History of Diving Museum</a></li> <li><a href="/wiki/History_of_scuba_diving" title="History of scuba diving">History of scuba diving</a></li> <li><a href="/wiki/List_of_researchers_in_underwater_diving" title="List of researchers in underwater diving">List of researchers in underwater diving</a></li> <li><a href="/wiki/Lyons_Maritime_Museum" title="Lyons Maritime Museum">Lyons Maritime Museum</a></li> <li><a href="/wiki/Man_in_the_Sea_Museum" title="Man in the Sea Museum">Man in the Sea Museum</a></li> <li><a href="/wiki/Timeline_of_atmospheric_diving_suits" class="mw-redirect" title="Timeline of atmospheric diving suits">Timeline of atmospheric diving suits</a></li> <li><a href="/wiki/Timeline_of_diving_technology" title="Timeline of diving technology">Timeline of diving technology</a></li> <li><a href="/wiki/Pearling_in_Western_Australia" title="Pearling in Western Australia">Pearling in Western Australia</a></li> <li><a href="/wiki/US_Navy_decompression_models_and_tables" title="US Navy decompression models and tables">US Navy decompression models and tables</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Archeological<br />sites</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SS_Commodore" title="SS Commodore">SS <i>Commodore</i></a></li> <li><a href="/wiki/USS_Monitor" title="USS Monitor">USS <i>Monitor</i></a></li> <li><i><a href="/wiki/Queen_Anne%27s_Revenge" title="Queen Anne's Revenge">Queen Anne's Revenge</a></i></li> <li><i><a href="/wiki/Whydah_Gally" title="Whydah Gally">Whydah Gally</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater art<br />and artists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/The_Diver" title="The Diver">The Diver</a></li> <li><a href="/wiki/Jason_deCaires_Taylor" title="Jason deCaires Taylor">Jason deCaires Taylor</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Engineers<br />and inventors</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Jer%C3%B3nimo_de_Ayanz_y_Beaumont" title="Jerónimo de Ayanz y Beaumont">Jerónimo de Ayanz y Beaumont</a></li> <li><a href="/wiki/William_Beebe" title="William Beebe">William Beebe</a></li> <li><a href="/wiki/Georges_Beuchat" title="Georges Beuchat">Georges Beuchat</a></li> <li><a href="/wiki/Giovanni_Alfonso_Borelli" title="Giovanni Alfonso Borelli">Giovanni Alfonso Borelli</a></li> <li><a href="/wiki/Joseph-Martin_Cabirol" title="Joseph-Martin Cabirol">Joseph-Martin Cabirol</a></li> <li><a href="/wiki/John_R._Clarke_(scientist)" title="John R. Clarke (scientist)">John R. Clarke</a></li> <li><a href="/wiki/Jacques_Cousteau" title="Jacques Cousteau">Jacques Cousteau</a></li> <li><a href="/wiki/Charles_Anthony_Deane" title="Charles Anthony Deane">Charles Anthony Deane</a></li> <li><a href="/wiki/John_Deane_(inventor)" title="John Deane (inventor)">John Deane</a></li> <li><a href="/wiki/Louis_de_Corlieu" title="Louis de Corlieu">Louis de Corlieu</a></li> <li><a href="/wiki/Auguste_Denayrouze" title="Auguste Denayrouze">Auguste Denayrouze</a></li> <li><a href="/wiki/Ted_Eldred" title="Ted Eldred">Ted Eldred</a></li> <li><a href="/wiki/Henry_Fleuss" title="Henry Fleuss">Henry Fleuss</a></li> <li><a href="/wiki/%C3%89mile_Gagnan" title="Émile Gagnan">Émile Gagnan</a></li> <li><a href="/wiki/Karl_Heinrich_Klingert" title="Karl Heinrich Klingert">Karl Heinrich Klingert</a></li> <li><a href="/wiki/Peter_Kreeft_(diver)" title="Peter Kreeft (diver)">Peter Kreeft</a></li> <li><a href="/wiki/Christian_J._Lambertsen" title="Christian J. Lambertsen">Christian J. Lambertsen</a></li> <li><a href="/wiki/Yves_Le_Prieur" title="Yves Le Prieur">Yves Le Prieur</a></li> <li><a href="/wiki/John_Lethbridge" title="John Lethbridge">John Lethbridge</a></li> <li><a href="/wiki/Ernest_William_Moir" title="Ernest William Moir">Ernest William Moir</a></li> <li><a href="/wiki/Joseph_Salim_Peress" title="Joseph Salim Peress">Joseph Salim Peress</a></li> <li><a href="/wiki/Auguste_Piccard" title="Auguste Piccard">Auguste Piccard</a></li> <li><a href="/wiki/Joe_Savoie" title="Joe Savoie">Joe Savoie</a></li> <li><a href="/wiki/Willard_Franklyn_Searle" title="Willard Franklyn Searle">Willard Franklyn Searle</a></li> <li><a href="/wiki/Gordon_Smith_(inventor)" title="Gordon Smith (inventor)">Gordon Smith</a></li> <li><a href="/wiki/Augustus_Siebe" title="Augustus Siebe">Augustus Siebe</a></li> <li><a href="/wiki/Pierre-Marie_Touboulic" title="Pierre-Marie Touboulic">Pierre-Marie Touboulic</a></li> <li><a href="/wiki/Jacques_Triger" title="Jacques Triger">Jacques Triger</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Historical<br />equipment</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aqua-Lung" title="Aqua-Lung">Aqua-Lung</a></li> <li><a href="/wiki/RV_Calypso" title="RV Calypso">RV <i>Calypso</i></a></li> <li><a href="/wiki/SP-350_Denise" title="SP-350 Denise">SP-350 <i>Denise</i></a></li> <li><a href="/wiki/Magnesium_torch" title="Magnesium torch">Magnesium torch</a></li> <li><a href="/wiki/Nikonos" title="Nikonos">Nikonos</a></li> <li><a href="/wiki/Porpoise_(scuba_gear)" title="Porpoise (scuba gear)">Porpoise regulator</a></li> <li><a href="/wiki/Standard_diving_dress" title="Standard diving dress">Standard diving dress</a></li> <li><a href="/wiki/Sub_Marine_Explorer" title="Sub Marine Explorer">Sub Marine Explorer</a></li> <li><a href="/wiki/Vintage_scuba" title="Vintage scuba">Vintage scuba</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Diverpropulsionvehicles" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diver_propulsion_vehicle" title="Diver propulsion vehicle">Diver<br />propulsion<br />vehicles</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Advanced_SEAL_Delivery_System" title="Advanced SEAL Delivery System">Advanced SEAL Delivery System</a></li> <li><a href="/wiki/Cosmos_CE2F_series" title="Cosmos CE2F series">Cosmos CE2F series</a></li> <li><a href="/wiki/Dry_Combat_Submersible" title="Dry Combat Submersible">Dry Combat Submersible</a></li> <li><a href="/wiki/Human_torpedo" title="Human torpedo">Human torpedo</a></li> <li><a href="/wiki/Motorised_Submersible_Canoe" title="Motorised Submersible Canoe">Motorised Submersible Canoe</a></li> <li><a href="/wiki/Necker_Nymph" title="Necker Nymph">Necker Nymph</a></li> <li><a href="/wiki/R-2_Mala-class_swimmer_delivery_vehicle" title="R-2 Mala-class swimmer delivery vehicle">R-2 Mala-class swimmer delivery vehicle</a></li> <li><a href="/wiki/SEAL_Delivery_Vehicle" title="SEAL Delivery Vehicle">SEAL Delivery Vehicle</a></li> <li><a href="/wiki/Shallow_Water_Combat_Submersible" title="Shallow Water Combat Submersible">Shallow Water Combat Submersible</a></li> <li><a href="/wiki/Siluro_San_Bartolomeo" title="Siluro San Bartolomeo">Siluro San Bartolomeo</a></li> <li><a href="/wiki/Welfreighter" title="Welfreighter">Welfreighter</a></li> <li><a href="/wiki/Wet_Nellie" title="Wet Nellie">Wet Nellie</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Military and<br />covert operations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Raid_on_Alexandria_(1941)" title="Raid on Alexandria (1941)">Raid on Alexandria (1941)</a></li> <li><a href="/wiki/Sinking_of_the_Rainbow_Warrior" title="Sinking of the Rainbow Warrior">Sinking of the <i>Rainbow Warrior</i></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Scientific projects</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1992_cageless_shark-diving_expedition" title="1992 cageless shark-diving expedition">1992 cageless shark-diving expedition</a></li> <li><a href="/wiki/Mission_31" title="Mission 31">Mission 31</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Awards and events</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hans_Hass_Award" title="Hans Hass Award">Hans Hass Award</a></li> <li><a href="/wiki/International_Scuba_Diving_Hall_of_Fame" title="International Scuba Diving Hall of Fame">International Scuba Diving Hall of Fame</a></li> <li><a href="/wiki/London_Diving_Chamber_Dive_Lectures" title="London Diving Chamber Dive Lectures">London Diving Chamber Dive Lectures</a></li> <li><a href="/wiki/NOGI_Awards" title="NOGI Awards">NOGI Awards</a></li> <li><a href="/wiki/Women_Divers_Hall_of_Fame" title="Women Divers Hall of Fame">Women Divers Hall of Fame</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Incidents</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dive_boat" title="Dive boat">Dive boat</a> incidents</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sinking_of_MV_Conception" title="Sinking of MV Conception">Sinking of MV <i>Conception</i></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diver rescues</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpazat_cave_rescue" title="Alpazat cave rescue">Alpazat cave rescue</a></li> <li><a href="/wiki/Tham_Luang_cave_rescue" title="Tham Luang cave rescue">Tham Luang cave rescue</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Early diving</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/John_Day_(carpenter)" title="John Day (carpenter)">John Day (carpenter)</a></li> <li><a href="/wiki/Charles_Spalding" title="Charles Spalding">Charles Spalding</a></li> <li><a href="/wiki/Ebenezer_Watson" class="mw-redirect" title="Ebenezer Watson">Ebenezer Watson</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Freediving" title="Freediving">Freediving</a> fatalities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stephen_Keenan" title="Stephen Keenan">Stephen Keenan</a></li> <li><a href="/wiki/Lo%C3%AFc_Leferme" title="Loïc Leferme">Loïc Leferme</a></li> <li><a href="/wiki/Audrey_Mestre" title="Audrey Mestre">Audrey Mestre</a></li> <li><a href="/wiki/Nicholas_Mevoli" title="Nicholas Mevoli">Nicholas Mevoli</a></li> <li><a href="/wiki/Natalia_Molchanova" title="Natalia Molchanova">Natalia Molchanova</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Offshore_diving" class="mw-redirect" title="Offshore diving">Offshore<br />diving</a> incidents</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Byford_Dolphin#Diving_bell_accident" title="Byford Dolphin"><i>Byford Dolphin</i> diving bell accident</a></li> <li><a href="/wiki/Drill_Master_diving_accident" title="Drill Master diving accident"><i>Drill Master</i> diving accident</a></li> <li><a href="/wiki/Star_Canopus_diving_accident" title="Star Canopus diving accident"><i>Star Canopus</i> diving accident</a></li> <li><a href="/wiki/Stena_Seaspread_diving_accident" title="Stena Seaspread diving accident"><i>Stena Seaspread</i> diving accident</a></li> <li><a href="/wiki/Venture_One_diving_accident" class="mw-redirect" title="Venture One diving accident"><i>Venture One</i> diving accident</a></li> <li><a href="/wiki/Waage_Drill_II_diving_accident" title="Waage Drill II diving accident"><i>Waage Drill II</i> diving accident</a></li> <li><a href="/wiki/Wildrake_diving_accident" title="Wildrake diving accident"><i>Wildrake</i> diving accident</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Professional_diving" title="Professional diving">Professional<br />diving</a> fatalities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Roger_Baldwin_(diver)" class="mw-redirect" title="Roger Baldwin (diver)">Roger Baldwin</a></li> <li><a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a></li> <li><a href="/wiki/Victor_F._Guiel_Jr." class="mw-redirect" title="Victor F. Guiel Jr.">Victor F. Guiel Jr.</a></li> <li><a href="/wiki/Francis_P._Hammerberg" title="Francis P. Hammerberg">Francis P. Hammerberg</a></li> <li><a href="/wiki/Craig_M._Hoffman" class="mw-redirect" title="Craig M. Hoffman">Craig M. Hoffman</a></li> <li><a href="/wiki/Peter_Henry_Michael_Holmes" class="mw-redirect" title="Peter Henry Michael Holmes">Peter Henry Michael Holmes</a></li> <li><a href="/wiki/Johnson_Sea_Link_accident" title="Johnson Sea Link accident">Johnson Sea Link accident</a> <ul><li><a href="/wiki/Edwin_Clayton_Link" class="mw-redirect" title="Edwin Clayton Link">Edwin Clayton Link</a></li></ul></li> <li><a href="/wiki/Gerard_Anthony_Prangley" class="mw-redirect" title="Gerard Anthony Prangley">Gerard Anthony Prangley</a></li> <li><a href="/wiki/Per_Skipnes" class="mw-redirect" title="Per Skipnes">Per Skipnes</a></li> <li><a href="/wiki/Robert_John_Smyth" class="mw-redirect" title="Robert John Smyth">Robert John Smyth</a></li> <li><a href="/wiki/Albert_D._Stover" class="mw-redirect" title="Albert D. Stover">Albert D. Stover</a></li> <li><a href="/wiki/Richard_A._Walker" class="mw-redirect" title="Richard A. Walker">Richard A. Walker</a></li> <li><a href="/wiki/Lothar_Michael_Ward" class="mw-redirect" title="Lothar Michael Ward">Lothar Michael Ward</a></li> <li><a href="/wiki/Joachim_Wendler" title="Joachim Wendler">Joachim Wendler</a></li> <li><a href="/wiki/Death_of_Bradley_Westell" title="Death of Bradley Westell">Bradley Westell</a></li> <li><a href="/wiki/Arne_Zetterstr%C3%B6m" title="Arne Zetterström">Arne Zetterström</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Scuba_diving_fatalities" title="Scuba diving fatalities">Scuba diving<br />fatalities</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1973_Mount_Gambier_cave_diving_accident" title="1973 Mount Gambier cave diving accident">1973 Mount Gambier cave diving accident</a></li> <li><a href="/wiki/Ricardo_Armbruster" title="Ricardo Armbruster">Ricardo Armbruster</a></li> <li><a href="/wiki/Allan_Bridge" title="Allan Bridge">Allan Bridge</a></li> <li><a href="/wiki/David_Bright_(diver)" title="David Bright (diver)">David Bright</a></li> <li><a href="/wiki/Berry_L._Cannon" title="Berry L. Cannon">Berry L. Cannon</a></li> <li><a href="/wiki/Cotton_Coulson" title="Cotton Coulson">Cotton Coulson</a></li> <li><a href="/wiki/Cl%C3%A1udio_Coutinho" title="Cláudio Coutinho">Cláudio Coutinho</a></li> <li><a href="/wiki/E._Yale_Dawson" title="E. Yale Dawson">E. Yale Dawson</a></li> <li><a href="/wiki/Deon_Dreyer" title="Deon Dreyer">Deon Dreyer</a></li> <li><a href="/wiki/Milan_Dufek" title="Milan Dufek">Milan Dufek</a></li> <li><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a></li> <li><a href="/wiki/Maurice_Fargues" title="Maurice Fargues">Maurice Fargues</a></li> <li><a href="/wiki/Fernando_Garfella_Palmer" title="Fernando Garfella Palmer">Fernando Garfella Palmer</a></li> <li><a href="/wiki/Guy_Garman" title="Guy Garman">Guy Garman</a></li> <li><a href="/wiki/Steve_Irwin" title="Steve Irwin">Steve Irwin</a> <ul><li><a href="/wiki/Death_of_Steve_Irwin" title="Death of Steve Irwin">death</a></li></ul></li> <li><a href="/wiki/Jim_Jones_(American_football,_born_1935)" title="Jim Jones (American football, born 1935)">Jim Jones</a></li> <li><a href="/wiki/Henry_Way_Kendall" title="Henry Way Kendall">Henry Way Kendall</a></li> <li><a href="/wiki/Artur_Koz%C5%82owski_(speleologist)" title="Artur Kozłowski (speleologist)">Artur Kozłowski</a></li> <li><a href="/wiki/Yuri_Lipski" class="mw-redirect" title="Yuri Lipski">Yuri Lipski</a></li> <li><a href="/wiki/Kirsty_MacColl" title="Kirsty MacColl">Kirsty MacColl</a></li> <li><a href="/wiki/Death_of_Linnea_Mills" title="Death of Linnea Mills">Linnea Mills</a></li> <li><a href="/wiki/Agnes_Milowka" title="Agnes Milowka">Agnes Milowka</a></li> <li><a href="/wiki/Fran%C3%A7ois_de_Roubaix" title="François de Roubaix">François de Roubaix</a></li> <li><a href="/wiki/The_Last_Dive" title="The Last Dive">Chris and Chrissy Rouse</a></li> <li><a href="/wiki/Dave_Shaw" title="Dave Shaw">Dave Shaw</a></li> <li><a href="/wiki/Wesley_C._Skiles" title="Wesley C. Skiles">Wesley C. Skiles</a></li> <li><a href="/wiki/Dewey_Smith" title="Dewey Smith">Dewey Smith</a></li> <li><a href="/wiki/Rob_Stewart_(filmmaker)" title="Rob Stewart (filmmaker)">Rob Stewart</a></li> <li><a href="/wiki/Esbj%C3%B6rn_Svensson" title="Esbjörn Svensson">Esbjörn Svensson</a></li> <li><a href="/wiki/Josef_Velek" title="Josef Velek">Josef Velek</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Publications" style="font-size:114%;margin:0 4em">Publications</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Manuals</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/NOAA_Diving_Manual" title="NOAA Diving Manual">NOAA Diving Manual</a></i></li> <li><i><a href="/wiki/U.S._Navy_Diving_Manual" title="U.S. Navy Diving Manual">U.S. Navy Diving Manual</a></i></li> <li><i><a href="/wiki/Basic_Cave_Diving:_A_Blueprint_for_Survival" title="Basic Cave Diving: A Blueprint for Survival">Basic Cave Diving: A Blueprint for Survival</a></i></li> <li><i><a href="/w/index.php?title=Underwater_Handbook&action=edit&redlink=1" class="new" title="Underwater Handbook (page does not exist)">Underwater Handbook</a></i></li> <li><i><a href="/w/index.php?title=Bennett_and_Elliott%27s_physiology_and_medicine_of_diving&action=edit&redlink=1" class="new" title="Bennett and Elliott's physiology and medicine of diving (page does not exist)">Bennett and Elliott's physiology and medicine of diving</a></i></li> <li><i><a href="/w/index.php?title=Encyclopedia_of_Recreational_Diving&action=edit&redlink=1" class="new" title="Encyclopedia of Recreational Diving (page does not exist)">Encyclopedia of Recreational Diving</a></i></li> <li><i><a href="/w/index.php?title=The_new_science_of_skin_and_scuba_diving&action=edit&redlink=1" class="new" title="The new science of skin and scuba diving (page does not exist)">The new science of skin and scuba diving</a></i></li> <li><i><a href="/w/index.php?title=Professional_Diver%27s_Handbook&action=edit&redlink=1" class="new" title="Professional Diver's Handbook (page does not exist)">Professional Diver's Handbook</a></i></li> <li><i><a href="/w/index.php?title=Basic_Scuba&action=edit&redlink=1" class="new" title="Basic Scuba (page does not exist)">Basic Scuba</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Standards and<br />Codes of Practice</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Code_of_Practice_for_Scientific_Diving_(UNESCO)" class="mw-redirect" title="Code of Practice for Scientific Diving (UNESCO)">Code of Practice for Scientific Diving (UNESCO)</a></li> <li><a href="/wiki/DIN_7876" title="DIN 7876">DIN 7876</a></li> <li><a href="/wiki/IMCA_Code_of_Practice_for_Offshore_Diving" class="mw-redirect" title="IMCA Code of Practice for Offshore Diving">IMCA Code of Practice for Offshore Diving</a></li> <li><a href="/wiki/ISO_24801_Recreational_diving_services_%E2%80%94_Requirements_for_the_training_of_recreational_scuba_divers" class="mw-redirect" title="ISO 24801 Recreational diving services — Requirements for the training of recreational scuba divers">ISO 24801 Recreational diving services — Requirements for the training of recreational scuba divers</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General non-fiction</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/The_Darkness_Beckons" title="The Darkness Beckons">The Darkness Beckons</a></i></li> <li><i><a href="/wiki/Goldfinder" title="Goldfinder">Goldfinder</a></i></li> <li><i><a href="/wiki/The_Last_Dive" title="The Last Dive">The Last Dive</a></i></li> <li><i><a href="/wiki/Shadow_Divers" title="Shadow Divers">Shadow Divers</a></i></li> <li><i><a href="/wiki/The_Silent_World:_A_Story_of_Undersea_Discovery_and_Adventure" title="The Silent World: A Story of Undersea Discovery and Adventure">The Silent World: A Story of Undersea Discovery and Adventure</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Research</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Divers_Alert_Network_publications" title="List of Divers Alert Network publications">List of Divers Alert Network publications</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dive_guide_(publication)" class="mw-redirect" title="Dive guide (publication)">Dive guides</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li class="mw-empty-elt"></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Training_and_registration" style="font-size:114%;margin:0 4em">Training and registration</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diver_training" title="Diver training">Diver<br />training</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Competence and assessment <ul><li><a href="/wiki/Competency-based_learning" title="Competency-based learning">Competency-based learning</a></li> <li><a href="/wiki/Refresher_training_(diving)" class="mw-redirect" title="Refresher training (diving)">Refresher training</a></li> <li><a href="/wiki/Skill_assessment" title="Skill assessment">Skill assessment</a></li></ul></li> <li><a href="/wiki/Diver_training_standard" title="Diver training standard">Diver training standard</a></li> <li><a href="/wiki/Diving_instructor" title="Diving instructor">Diving instructor</a></li> <li><a href="/wiki/Diving_school" class="mw-redirect" title="Diving school">Diving school</a></li> <li>Occupational diver training <ul><li><a href="/wiki/Commercial_diver_training" class="mw-redirect" title="Commercial diver training">Commercial diver training</a></li> <li><a href="/wiki/Military_diver_training" class="mw-redirect" title="Military diver training">Military diver training</a></li> <li><a href="/wiki/Public_safety_diver_training" class="mw-redirect" title="Public safety diver training">Public safety diver training</a></li> <li><a href="/wiki/Scientific_diver_training" class="mw-redirect" title="Scientific diver training">Scientific diver training</a></li></ul></li> <li><a href="/wiki/Recreational_diver_training" title="Recreational diver training">Recreational diver training</a> <ul><li><a href="/wiki/Introductory_diving" title="Introductory diving">Introductory diving</a></li> <li><a href="/wiki/ISO_recreational_diving_training_standards" class="mw-redirect" title="ISO recreational diving training standards">ISO training standards</a></li></ul></li> <li><a href="/wiki/Teaching_method" title="Teaching method">Teaching method</a> <ul><li><a href="/wiki/Muscle_memory" title="Muscle memory">Muscle memory</a></li> <li><a href="/wiki/Overlearning" title="Overlearning">Overlearning</a></li> <li><a href="/wiki/Stress_exposure_training" title="Stress exposure training">Stress exposure training</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Skills" scope="row" class="navbox-group" style="width:1%">Skills</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Combat_sidestroke" title="Combat sidestroke">Combat sidestroke</a></li> <li><a href="/wiki/Diver_navigation" title="Diver navigation">Diver navigation</a></li> <li><a href="/wiki/Diver_trim" title="Diver trim">Diver trim</a></li> <li><a href="/wiki/Ear_clearing" title="Ear clearing">Ear clearing</a> <ul><li><a href="/wiki/Frenzel_maneuver" title="Frenzel maneuver">Frenzel maneuver</a></li> <li><a href="/wiki/Valsalva_maneuver" title="Valsalva maneuver">Valsalva maneuver</a></li></ul></li> <li><a href="/wiki/Finning_techniques" title="Finning techniques">Finning techniques</a></li> <li><a href="/wiki/Scuba_skills" title="Scuba skills">Scuba skills</a> <ul><li><a href="/wiki/Buddy_breathing" title="Buddy breathing">Buddy breathing</a></li> <li><a href="/wiki/Low_impact_diving" title="Low impact diving">Low impact diving</a> <ul><li><a href="/wiki/Diamond_Reef_System" title="Diamond Reef System">Diamond Reef System</a></li></ul></li></ul></li> <li><a href="/wiki/Surface-supplied_diving_skills" title="Surface-supplied diving skills">Surface-supplied diving skills</a></li> <li><a href="/wiki/Underwater_searches" title="Underwater searches">Underwater searches</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Recreational_scuba_certification_levels" title="Recreational scuba certification levels">Recreational<br />scuba<br />certification<br />levels</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Core diving skills</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Advanced_Open_Water_Diver" title="Advanced Open Water Diver">Advanced Open Water Diver</a></li> <li><a href="/wiki/Autonomous_diver" title="Autonomous diver">Autonomous diver</a></li> <li><a href="/wiki/CMAS*_scuba_diver" title="CMAS* scuba diver">CMAS* scuba diver</a></li> <li><a href="/wiki/CMAS**_scuba_diver" title="CMAS** scuba diver">CMAS** scuba diver</a></li> <li><a href="/wiki/Introductory_diving" title="Introductory diving">Introductory diving</a></li> <li><a href="/wiki/Low_Impact_Diver" class="mw-redirect" title="Low Impact Diver">Low Impact Diver</a></li> <li><a href="/wiki/Master_Scuba_Diver" title="Master Scuba Diver">Master Scuba Diver</a></li> <li><a href="/wiki/Open_Water_Diver" title="Open Water Diver">Open Water Diver</a></li> <li><a href="/wiki/Supervised_diver" title="Supervised diver">Supervised diver</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Leadership skills</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dive_leader" title="Dive leader">Dive leader</a> <ul><li><a href="/wiki/Divemaster" title="Divemaster">Divemaster</a></li></ul></li> <li><a href="/wiki/Diving_instructor" title="Diving instructor">Diving instructor</a> <ul><li><a href="/wiki/Master_Instructor" class="mw-redirect" title="Master Instructor">Master Instructor</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialist skills</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Rescue_Diver" title="Rescue Diver">Rescue Diver</a></li> <li><a href="/wiki/Solo_diver" class="mw-redirect" title="Solo diver">Solo diver</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diver_training_organization" title="Diver training organization">Diver training<br />certification<br />and registration<br />organisations</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/European_Underwater_Federation" title="European Underwater Federation">European Underwater Federation</a> (EUF)</li> <li><a href="/wiki/International_Diving_Regulators_and_Certifiers_Forum" title="International Diving Regulators and Certifiers Forum">International Diving Regulators and Certifiers Forum</a> (IDRCF)</li> <li><a href="/wiki/International_Diving_Schools_Association" title="International Diving Schools Association">International Diving Schools Association</a> (IDSA)</li> <li><a href="/wiki/International_Marine_Contractors_Association" title="International Marine Contractors Association">International Marine Contractors Association</a> (IMCA)</li> <li><a href="/wiki/List_of_diver_certification_organizations" title="List of diver certification organizations">List of diver certification organizations</a></li> <li><a href="/wiki/National_Oceanic_and_Atmospheric_Administration" title="National Oceanic and Atmospheric Administration">National Oceanic and Atmospheric Administration</a> (NOAA)</li> <li><a href="/wiki/Nautical_Archaeology_Society" title="Nautical Archaeology Society">Nautical Archaeology Society</a></li> <li><a href="/wiki/Recreational_diver_course_referral" title="Recreational diver course referral">Recreational diver course referral</a></li> <li><a href="/wiki/World_Recreational_Scuba_Training_Council" title="World Recreational Scuba Training Council">World Recreational Scuba Training Council</a> (WRSTC)</li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Commercial diver<br />certification<br />authorities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Australian_Diver_Accreditation_Scheme" title="Australian Diver Accreditation Scheme">Australian Diver Accreditation Scheme</a> (ADAS)</li> <li><a href="/wiki/Commercial_diver_registration_in_South_Africa" title="Commercial diver registration in South Africa">Commercial diver registration in South Africa</a></li> <li><a href="/wiki/Divers_Institute_of_Technology" title="Divers Institute of Technology">Divers Institute of Technology</a></li> <li><a href="/wiki/Health_and_Safety_Executive" title="Health and Safety Executive">Health and Safety Executive</a> (HSE)</li> <li><a href="/wiki/Department_of_Employment_and_Labour" title="Department of Employment and Labour">Department of Employment and Labour</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Commercial diving<br />schools</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Divers_Academy_International" title="Divers Academy International">Divers Academy International</a></li> <li><a href="/wiki/Western_Norway_University_of_Applied_Sciences#Norwegian_diver_school" title="Western Norway University of Applied Sciences">Norwegian diver school</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Free-diving<br />certification<br />agencies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AIDA_International" title="AIDA International">AIDA International</a> (AIDA)</li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a> (CMAS)</li> <li><a href="/wiki/Performance_Freediving_International" title="Performance Freediving International">Performance Freediving International</a> (PI)</li> <li><a href="/wiki/Scuba_Schools_International" title="Scuba Schools International">Scuba Schools International</a> (SSI)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Recreational<br />scuba<br />certification<br />agencies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Canadian_Underwater_Certifications" title="American Canadian Underwater Certifications">American Canadian Underwater Certifications</a> (ACUC)</li> <li><a href="/wiki/American_Nitrox_Divers_International" title="American Nitrox Divers International">American Nitrox Divers International</a> (ANDI)</li> <li><a href="/wiki/Association_nationale_des_moniteurs_de_plong%C3%A9e" title="Association nationale des moniteurs de plongée">Association nationale des moniteurs de plongée</a> (ANMP)</li> <li><a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">British Sub-Aqua Club</a> (BSAC)</li> <li><a href="/wiki/Comhairle_Fo-Thuinn" title="Comhairle Fo-Thuinn">Comhairle Fo-Thuinn</a> (CFT)</li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a> (CMAS)</li> <li><a href="/wiki/Federaci%C3%B3n_Espa%C3%B1ola_de_Actividades_Subacu%C3%A1ticas" title="Federación Española de Actividades Subacuáticas">Federación Española de Actividades Subacuáticas</a> (FEDAS)</li> <li><a href="/wiki/F%C3%A9d%C3%A9ration_Fran%C3%A7aise_d%27%C3%89tudes_et_de_Sports_Sous-Marins" title="Fédération Française d'Études et de Sports Sous-Marins">Fédération Française d'Études et de Sports Sous-Marins</a> (FFESSM)</li> <li><a href="/wiki/Federazione_Italiana_Attivit%C3%A0_Subacquee" title="Federazione Italiana Attività Subacquee">Federazione Italiana Attività Subacquee</a> (FIAS)</li> <li><a href="/wiki/Global_Underwater_Explorers" title="Global Underwater Explorers">Global Underwater Explorers</a> (GUE)</li> <li><a href="/wiki/International_Association_for_Handicapped_Divers" title="International Association for Handicapped Divers">International Association for Handicapped Divers</a> (IAHD)</li> <li><a href="/wiki/International_Association_of_Nitrox_and_Technical_Divers" title="International Association of Nitrox and Technical Divers">International Association of Nitrox and Technical Divers</a> (IANTD)</li> <li><a href="/wiki/International_Life_Saving_Federation" title="International Life Saving Federation">International Life Saving Federation</a> (ILS)</li> <li><a href="/wiki/Israeli_Diving_Federation" title="Israeli Diving Federation">Israeli Diving Federation</a> (TIDF)</li> <li><a href="/wiki/National_Academy_of_Scuba_Educators" title="National Academy of Scuba Educators">National Academy of Scuba Educators</a> (NASE)</li> <li><a href="/wiki/National_Association_of_Underwater_Instructors" title="National Association of Underwater Instructors">National Association of Underwater Instructors</a> (NAUI)</li> <li><a href="/wiki/Nederlandse_Onderwatersport_Bond" title="Nederlandse Onderwatersport Bond">Nederlandse Onderwatersport Bond</a> (NOB)</li> <li><a href="/wiki/Professional_Association_of_Diving_Instructors" title="Professional Association of Diving Instructors">Professional Association of Diving Instructors</a> (PADI)</li> <li><a href="/wiki/Professional_Diving_Instructors_Corporation" title="Professional Diving Instructors Corporation">Professional Diving Instructors Corporation</a> (PDIC)</li> <li><a href="/wiki/Professional_Technical_and_Recreational_Diving" title="Professional Technical and Recreational Diving">Professional Technical and Recreational Diving</a> (ProTec)</li> <li><a href="/wiki/Rebreather_Association_of_International_Divers" title="Rebreather Association of International Divers">Rebreather Association of International Divers</a> (RAID)</li> <li><a href="/wiki/Sub-Aqua_Association" title="Sub-Aqua Association">Sub-Aqua Association</a> (SAA)</li> <li><a href="/wiki/Scuba_Diving_International" title="Scuba Diving International">Scuba Diving International</a> (SDI)</li> <li><a href="/wiki/Scuba_Educators_International" title="Scuba Educators International">Scuba Educators International</a> (SEI)</li> <li><a href="/wiki/Scottish_Sub_Aqua_Club" title="Scottish Sub Aqua Club">Scottish Sub Aqua Club</a> (ScotSAC)</li> <li><a href="/wiki/Scuba_Schools_International" title="Scuba Schools International">Scuba Schools International</a> (SSI)</li> <li><a href="/wiki/Turkish_Underwater_Sports_Federation" title="Turkish Underwater Sports Federation">Türkiye Sualtı Sporları Federasyonu</a> (TSSF)</li> <li><a href="/wiki/United_Diving_Instructors" title="United Diving Instructors">United Diving Instructors</a> (UDI)</li> <li><a href="/wiki/YMCA_SCUBA_Program" title="YMCA SCUBA Program">YMCA SCUBA Program</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Scientific diver<br />certification<br />authorities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Academy_of_Underwater_Sciences" title="American Academy of Underwater Sciences">American Academy of Underwater Sciences</a> (AAUS)</li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques#Scientific_committee" title="Confédération Mondiale des Activités Subaquatiques">CMAS Scientific Committee</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technical diver<br />certification<br />agencies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Nitrox_Divers_International" title="American Nitrox Divers International">American Nitrox Divers International</a> (ANDI)</li> <li><a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">British Sub-Aqua Club</a> (BSAC)</li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a> (CMAS)</li> <li><a href="/wiki/Diving_Science_and_Technology" title="Diving Science and Technology">Diving Science and Technology</a> (DSAT)</li> <li><a href="/wiki/Federazione_Italiana_Attivit%C3%A0_Subacquee" title="Federazione Italiana Attività Subacquee">Federazione Italiana Attività Subacquee</a> (FIAS)</li> <li><a href="/wiki/International_Association_of_Nitrox_and_Technical_Divers" title="International Association of Nitrox and Technical Divers">International Association of Nitrox and Technical Divers</a> (IANTD)</li> <li><a href="/wiki/Professional_Association_of_Diving_Instructors" title="Professional Association of Diving Instructors">Professional Association of Diving Instructors</a> (PADI)</li> <li><a href="/wiki/Professional_Diving_Instructors_Corporation" title="Professional Diving Instructors Corporation">Professional Diving Instructors Corporation</a> (PDIC)</li> <li><a href="/wiki/Professional_Technical_and_Recreational_Diving" title="Professional Technical and Recreational Diving">Professional Technical and Recreational Diving</a> (ProTec)</li> <li><a href="/wiki/Rebreather_Association_of_International_Divers" title="Rebreather Association of International Divers">Rebreather Association of International Divers</a> (RAID)</li> <li><a href="/wiki/Trimix_Scuba_Association" title="Trimix Scuba Association">Trimix Scuba Association</a> (TSA)</li> <li><a href="/wiki/Scuba_Schools_International" title="Scuba Schools International">Technical Extended Range</a> (TXR)</li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Cavediving" scope="row" class="navbox-group" style="width:1%">Cave<br />diving</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cave_Divers_Association_of_Australia" title="Cave Divers Association of Australia">Cave Divers Association of Australia</a> (CDAA)</li> <li><a href="/wiki/Cave_Diving_Group" title="Cave Diving Group">Cave Diving Group</a> (CDG)</li> <li><a href="/wiki/Global_Underwater_Explorers" title="Global Underwater Explorers">Global Underwater Explorers</a> (GUE)</li> <li><a href="/wiki/National_Speleological_Society#Cave_Diving_Group" title="National Speleological Society">National Speleological Society#Cave Diving Group</a> (CDG)</li> <li><a href="/wiki/National_Association_of_Underwater_Instructors" title="National Association of Underwater Instructors">National Association of Underwater Instructors</a> (NAUI)</li> <li><a href="/wiki/Technical_Diving_International" title="Technical Diving International">Technical Diving International</a> (TDI)</li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Military diver<br />training centres</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Defence_Diving_School" title="Defence Diving School">Defence Diving School</a></li> <li><a href="/wiki/Naval_Support_Activity_Panama_City#Tenant_commands" title="Naval Support Activity Panama City">Navy Diving Salvage and Training Center</a></li> <li><a href="/wiki/Underwater_Escape_Training_Unit" title="Underwater Escape Training Unit">Underwater Escape Training Unit</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Military diver<br />training courses</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/United_States_Marine_Corps_Combatant_Diver_Course" title="United States Marine Corps Combatant Diver Course">United States Marine Corps Combatant Diver Course</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Underwater_sports" style="font-size:114%;margin:0 4em"><a href="/wiki/Underwater_sports" title="Underwater sports">Underwater sports</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Surface snorkeling</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Finswimming" title="Finswimming">Finswimming</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Snorkeling/breath-hold</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Spearfishing" title="Spearfishing">Spearfishing</a></li> <li><a href="/wiki/Underwater_football" title="Underwater football">Underwater football</a></li> <li><a href="/wiki/Underwater_hockey" title="Underwater hockey">Underwater hockey</a> <ul><li><a href="/wiki/Underwater_hockey_in_Australia" title="Underwater hockey in Australia">Australia</a></li> <li><a href="/wiki/Underwater_hockey_in_Turkey" title="Underwater hockey in Turkey">Turkey</a></li></ul></li> <li><a href="/wiki/Underwater_rugby" title="Underwater rugby">Underwater rugby</a> <ul><li><a href="/wiki/Underwater_rugby_in_Colombia" class="mw-redirect" title="Underwater rugby in Colombia">Colombia</a></li> <li><a href="/wiki/Underwater_rugby_in_the_United_States" title="Underwater rugby in the United States">United States</a></li></ul></li> <li><a href="/wiki/Underwater_target_shooting" title="Underwater target shooting">Underwater target shooting</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Breath-hold</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aquathlon_(underwater_wrestling)" title="Aquathlon (underwater wrestling)">Aquathlon</a></li> <li><a href="/wiki/Apnoea_finswimming" class="mw-redirect" title="Apnoea finswimming">Apnoea finswimming</a></li> <li><a href="/wiki/Freediving" title="Freediving">Freediving</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Open Circuit Scuba</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Immersion_finswimming" class="mw-redirect" title="Immersion finswimming">Immersion finswimming</a></li> <li><a href="/wiki/Sport_diving_(sport)" title="Sport diving (sport)">Sport diving</a></li> <li><a href="/wiki/Underwater_cycling" title="Underwater cycling">Underwater cycling</a></li> <li><a href="/wiki/Underwater_orienteering" title="Underwater orienteering">Underwater orienteering</a></li> <li><a href="/wiki/Underwater_photography_(sport)" title="Underwater photography (sport)">Underwater photography</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Rebreather</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Underwater_photography_(sport)" title="Underwater photography (sport)">Underwater photography</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sports governing<br />organisations<br /> and federations</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>International <ul><li><a href="/wiki/AIDA_International" title="AIDA International">AIDA International</a></li> <li><a href="/wiki/Conf%C3%A9d%C3%A9ration_Mondiale_des_Activit%C3%A9s_Subaquatiques" title="Confédération Mondiale des Activités Subaquatiques">Confédération Mondiale des Activités Subaquatiques</a>)</li></ul></li> <li>National <ul><li><a href="/wiki/AIDA_Hellas" title="AIDA Hellas">AIDA Hellas</a></li> <li><a href="/wiki/Australian_Underwater_Federation" title="Australian Underwater Federation">Australian Underwater Federation</a></li> <li><a href="/wiki/British_Freediving_Association" title="British Freediving Association">British Freediving Association</a></li> <li><a href="/wiki/British_Octopush_Association" title="British Octopush Association">British Octopush Association</a></li> <li><a href="/wiki/British_Underwater_Sports_Association" title="British Underwater Sports Association">British Underwater Sports Association</a></li> <li><a href="/wiki/Comhairle_Fo-Thuinn" title="Comhairle Fo-Thuinn">Comhairle Fo-Thuinn</a></li> <li><a href="/wiki/Federaci%C3%B3n_Espa%C3%B1ola_de_Actividades_Subacu%C3%A1ticas" title="Federación Española de Actividades Subacuáticas">Federación Española de Actividades Subacuáticas</a></li> <li><a href="/wiki/French_federation_of_underwater_studies_and_sports" class="mw-redirect" title="French federation of underwater studies and sports">Fédération Française d'Études et de Sports Sous-Marins</a></li> <li><a href="/wiki/South_African_Underwater_Sports_Federation" title="South African Underwater Sports Federation">South African Underwater Sports Federation</a></li> <li><a href="/wiki/Turkish_Underwater_Sports_Federation" title="Turkish Underwater Sports Federation">Türkiye Sualtı Sporları Federasyonu</a></li> <li><a href="/wiki/Underwater_Society_of_America" title="Underwater Society of America">Underwater Society of America</a>)</li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Competitions</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/14th_CMAS_Underwater_Photography_World_Championship" title="14th CMAS Underwater Photography World Championship">14th CMAS Underwater Photography World Championship</a></li> <li><a href="/wiki/Underwater_Hockey_World_Championships" title="Underwater Hockey World Championships">Underwater Hockey World Championships</a></li> <li><a href="/wiki/Underwater_Orienteering_World_Championships" title="Underwater Orienteering World Championships">Underwater Orienteering World Championships</a></li> <li><a href="/wiki/Underwater_Rugby_World_Championships" title="Underwater Rugby World Championships">Underwater Rugby World Championships</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Underwater_divers" style="font-size:114%;margin:0 4em"><a href="/wiki/Outline_of_underwater_divers" title="Outline of underwater divers">Underwater divers</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Pioneers<br />of diving</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Eduard_Admetlla_i_L%C3%A1zaro" title="Eduard Admetlla i Lázaro">Eduard Admetlla i Lázaro</a></li> <li><a href="/wiki/Aquanaut" title="Aquanaut">Aquanaut</a></li> <li><a href="/wiki/Mary_Bonnin" title="Mary Bonnin">Mary Bonnin</a></li> <li><a href="/wiki/Amelia_Behrens-Furniss" title="Amelia Behrens-Furniss">Amelia Behrens-Furniss</a></li> <li><a href="/wiki/James_F._Cahill" title="James F. Cahill">James F. Cahill</a></li> <li><a href="/wiki/Jacques_Cousteau" title="Jacques Cousteau">Jacques Cousteau</a></li> <li><a href="/wiki/Billy_Deans_(diver)" title="Billy Deans (diver)">Billy Deans</a></li> <li><a href="/wiki/Dottie_Frazier" title="Dottie Frazier">Dottie Frazier</a></li> <li><a href="/wiki/Trevor_Hampton" title="Trevor Hampton">Trevor Hampton</a></li> <li><a href="/wiki/Hans_Hass" title="Hans Hass">Hans Hass</a></li> <li><a href="/wiki/Dick_Rutkowski" title="Dick Rutkowski">Dick Rutkowski</a></li> <li><a href="/wiki/Teseo_Tesei" title="Teseo Tesei">Teseo Tesei</a></li> <li><a href="/wiki/Arne_Zetterstr%C3%B6m" title="Arne Zetterström">Arne Zetterström</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater<br />scientists<br />archaeologists and<br />environmentalists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Michael_Arbuthnot" title="Michael Arbuthnot">Michael Arbuthnot</a></li> <li><a href="/wiki/Robert_Ballard" title="Robert Ballard">Robert Ballard</a></li> <li><a href="/wiki/George_Bass_(archaeologist)" title="George Bass (archaeologist)">George Bass</a></li> <li><a href="/wiki/Mensun_Bound" title="Mensun Bound">Mensun Bound</a></li> <li><a href="/wiki/Louis_Boutan" title="Louis Boutan">Louis Boutan</a></li> <li><a href="/wiki/Jeffrey_Bozanic" title="Jeffrey Bozanic">Jeffrey Bozanic</a></li> <li><a href="/wiki/Hugh_Bradner" title="Hugh Bradner">Hugh Bradner</a></li> <li><a href="/wiki/Cathy_Church" title="Cathy Church">Cathy Church</a></li> <li><a href="/wiki/Eugenie_Clark" title="Eugenie Clark">Eugenie Clark</a></li> <li><a href="/wiki/James_P._Delgado" title="James P. Delgado">James P. Delgado</a></li> <li><a href="/wiki/Sylvia_Earle" title="Sylvia Earle">Sylvia Earle</a></li> <li><a href="/wiki/John_Christopher_Fine" title="John Christopher Fine">John Christopher Fine</a></li> <li><a href="/wiki/George_R._Fischer" title="George R. Fischer">George R. Fischer</a></li> <li><a href="/wiki/Anders_Franz%C3%A9n" title="Anders Franzén">Anders Franzén</a></li> <li><a href="/wiki/Honor_Frost" title="Honor Frost">Honor Frost</a></li> <li><a href="/wiki/Fernando_Garfella_Palmer" title="Fernando Garfella Palmer">Fernando Garfella Palmer</a></li> <li><a href="/wiki/David_Gibbins" title="David Gibbins">David Gibbins</a></li> <li><a href="/wiki/Graham_Jessop" title="Graham Jessop">Graham Jessop</a></li> <li><a href="/wiki/Swietenia_Puspa_Lestari" title="Swietenia Puspa Lestari">Swietenia Puspa Lestari</a></li> <li><a href="/wiki/Pilar_Luna" title="Pilar Luna">Pilar Luna</a></li> <li><a href="/wiki/Robert_F._Marx" title="Robert F. Marx">Robert F. Marx</a></li> <li><a href="/wiki/Anna_Marguerite_McCann" title="Anna Marguerite McCann">Anna Marguerite McCann</a></li> <li><a href="/wiki/Innes_McCartney" title="Innes McCartney">Innes McCartney</a></li> <li><a href="/wiki/Charles_T._Meide" title="Charles T. Meide">Charles T. Meide</a></li> <li><a href="/wiki/Mark_M._Newell" title="Mark M. Newell">Mark M. Newell</a></li> <li><a href="/wiki/Lyuba_Ognenova-Marinova" title="Lyuba Ognenova-Marinova">Lyuba Ognenova-Marinova</a></li> <li><a href="/wiki/John_Peter_Oleson" title="John Peter Oleson">John Peter Oleson</a></li> <li><a href="/wiki/Mendel_L._Peterson" title="Mendel L. Peterson">Mendel L. Peterson</a></li> <li><a href="/wiki/Richard_Pyle" title="Richard Pyle">Richard Pyle</a></li> <li><a href="/wiki/Andreas_Rechnitzer" title="Andreas Rechnitzer">Andreas Rechnitzer</a></li> <li><a href="/wiki/William_R._Royal" title="William R. Royal">William R. Royal</a></li> <li><a href="/wiki/Margaret_Rule" title="Margaret Rule">Margaret Rule</a></li> <li><a href="/wiki/Gunter_Sch%C3%B6bel" title="Gunter Schöbel">Gunter Schöbel</a></li> <li><a href="/wiki/Stephanie_Schwabe" title="Stephanie Schwabe">Stephanie Schwabe</a></li> <li><a href="/wiki/Myriam_Seco" title="Myriam Seco">Myriam Seco</a></li> <li><a href="/wiki/E._Lee_Spence" title="E. Lee Spence">E. Lee Spence</a></li> <li><a href="/wiki/Robert_St%C3%A9nuit" title="Robert Sténuit">Robert Sténuit</a></li> <li><a href="/wiki/Peter_Throckmorton" title="Peter Throckmorton">Peter Throckmorton</a></li> <li><a href="/wiki/Cristina_Zenato" title="Cristina Zenato">Cristina Zenato</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Scuba record<br />holders</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pascal_Bernab%C3%A9" title="Pascal Bernabé">Pascal Bernabé</a></li> <li><a href="/wiki/Jim_Bowden_(diver)" title="Jim Bowden (diver)">Jim Bowden</a></li> <li><a href="/wiki/Mark_Ellyatt" title="Mark Ellyatt">Mark Ellyatt</a></li> <li><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a></li> <li><a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a></li> <li><a href="/wiki/Claudia_Serpieri" title="Claudia Serpieri">Claudia Serpieri</a></li> <li><a href="/wiki/Krzysztof_Starnawski" title="Krzysztof Starnawski">Krzysztof Starnawski</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater<br />filmmakers<br />and presenters</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Samir_Alhafith" title="Samir Alhafith">Samir Alhafith</a></li> <li><a href="/wiki/David_Attenborough" title="David Attenborough">David Attenborough</a></li> <li><a href="/wiki/Ram%C3%B3n_Bravo" title="Ramón Bravo">Ramón Bravo</a></li> <li><a href="/wiki/Jean-Michel_Cousteau" title="Jean-Michel Cousteau">Jean-Michel Cousteau</a></li> <li><a href="/wiki/Richie_Kohler" title="Richie Kohler">Richie Kohler</a></li> <li><a href="/wiki/Paul_Rose_(TV_presenter)" title="Paul Rose (TV presenter)">Paul Rose</a></li> <li><a href="/wiki/Andy_Torbet" title="Andy Torbet">Andy Torbet</a></li> <li><a href="/wiki/Ivan_Tors" title="Ivan Tors">Ivan Tors</a></li> <li><a href="/wiki/Andrew_Wight" title="Andrew Wight">Andrew Wight</a></li> <li><a href="/wiki/James_Cameron" title="James Cameron">James Cameron</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater<br />photographers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Doug_Allan" title="Doug Allan">Doug Allan</a></li> <li><a href="/wiki/Tamara_Benitez" title="Tamara Benitez">Tamara Benitez</a></li> <li><a href="/wiki/Georges_Beuchat" title="Georges Beuchat">Georges Beuchat</a></li> <li><a href="/wiki/Adrian_Biddle" title="Adrian Biddle">Adrian Biddle</a></li> <li><a href="/wiki/Jonathan_Bird" title="Jonathan Bird">Jonathan Bird</a></li> <li><a href="/wiki/Eric_Cheng" title="Eric Cheng">Eric Cheng</a></li> <li><a href="/wiki/Neville_Coleman" title="Neville Coleman">Neville Coleman</a></li> <li><a href="/wiki/Jacques_Cousteau" title="Jacques Cousteau">Jacques Cousteau</a></li> <li><a href="/wiki/John_D._Craig" title="John D. Craig">John D. Craig</a></li> <li><a href="/wiki/Ben_Cropp" title="Ben Cropp">Ben Cropp</a></li> <li><a href="/wiki/Bernard_Delemotte" title="Bernard Delemotte">Bernard Delemotte</a></li> <li><a href="/wiki/David_Doubilet" title="David Doubilet">David Doubilet</a></li> <li><a href="/wiki/Candice_Farmer" title="Candice Farmer">Candice Farmer</a></li> <li><a href="/wiki/John_Christopher_Fine" title="John Christopher Fine">John Christopher Fine</a></li> <li><a href="/wiki/Rodney_Fox" title="Rodney Fox">Rodney Fox</a></li> <li><a href="/wiki/Ric_Frazier" title="Ric Frazier">Ric Frazier</a></li> <li><a href="/wiki/Stephen_Frink" title="Stephen Frink">Stephen Frink</a></li> <li><a href="/wiki/Peter_Gimbel" title="Peter Gimbel">Peter Gimbel</a></li> <li><a href="/wiki/Monty_Halls" title="Monty Halls">Monty Halls</a></li> <li><a href="/wiki/Hans_Hass" title="Hans Hass">Hans Hass</a></li> <li><a href="/wiki/Henry_Way_Kendall" title="Henry Way Kendall">Henry Way Kendall</a></li> <li><a href="/wiki/Rudie_Kuiter" class="mw-redirect" title="Rudie Kuiter">Rudie Kuiter</a></li> <li><a href="/wiki/Joseph_B._MacInnis" title="Joseph B. MacInnis">Joseph B. MacInnis</a></li> <li><a href="/wiki/Luis_Marden" title="Luis Marden">Luis Marden</a></li> <li><a href="/wiki/Agnes_Milowka" title="Agnes Milowka">Agnes Milowka</a></li> <li><a href="/wiki/Noel_Monkman" title="Noel Monkman">Noel Monkman</a></li> <li><a href="/wiki/Pete_Oxford" title="Pete Oxford">Pete Oxford</a></li> <li><a href="/wiki/Steve_Parish" title="Steve Parish">Steve Parish</a></li> <li><a href="/wiki/Zale_Parry" title="Zale Parry">Zale Parry</a></li> <li><a href="/wiki/Pierre_Petit_(photographer)" title="Pierre Petit (photographer)">Pierre Petit</a></li> <li><a href="/wiki/Leni_Riefenstahl" title="Leni Riefenstahl">Leni Riefenstahl</a></li> <li><a href="/wiki/Peter_Scoones" title="Peter Scoones">Peter Scoones</a></li> <li><a href="/wiki/Brian_Skerry" title="Brian Skerry">Brian Skerry</a></li> <li><a href="/wiki/Wesley_C._Skiles" title="Wesley C. Skiles">Wesley C. Skiles</a></li> <li><a href="/wiki/E._Lee_Spence" title="E. Lee Spence">E. Lee Spence</a></li> <li><a href="/wiki/Philippe_Tailliez" title="Philippe Tailliez">Philippe Tailliez</a></li> <li><a href="/wiki/Ron_Taylor_(diver)" title="Ron Taylor (diver)">Ron Taylor</a></li> <li><a href="/wiki/Valerie_Taylor_(diver)" title="Valerie Taylor (diver)">Valerie Taylor</a></li> <li><a href="/wiki/Albert_Tillman" title="Albert Tillman">Albert Tillman</a></li> <li><a href="/wiki/John_Veltri" title="John Veltri">John Veltri</a></li> <li><a href="/wiki/Stan_Waterman" title="Stan Waterman">Stan Waterman</a></li> <li><a href="/wiki/Michele_Westmorland" title="Michele Westmorland">Michele Westmorland</a></li> <li><a href="/wiki/John_Ernest_Williamson" title="John Ernest Williamson">John Ernest Williamson</a></li> <li><a href="/wiki/J._Lamar_Worzel" title="J. Lamar Worzel">J. Lamar Worzel</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Underwater<br />explorers</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Caves <ul><li><a href="/wiki/Graham_Balcombe" title="Graham Balcombe">Graham Balcombe</a></li> <li><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a></li> <li><a href="/wiki/Martyn_Farr" title="Martyn Farr">Martyn Farr</a></li> <li><a href="/wiki/Jochen_Hasenmayer" title="Jochen Hasenmayer">Jochen Hasenmayer</a></li> <li><a href="/wiki/Jill_Heinerth" title="Jill Heinerth">Jill Heinerth</a></li> <li><a href="/wiki/Jarrod_Jablonski" title="Jarrod Jablonski">Jarrod Jablonski</a></li> <li><a href="/wiki/William_Hogarth_Main" title="William Hogarth Main">William Hogarth Main</a></li> <li><a href="/wiki/Tom_Mount" title="Tom Mount">Tom Mount</a></li> <li><a href="/wiki/Jack_Sheppard_(cave_diver)" title="Jack Sheppard (cave diver)">Jack Sheppard</a></li> <li><a href="/wiki/William_Stone_(caver)" title="William Stone (caver)">Bill Stone</a></li></ul></li> <li>Reefs <ul><li><a href="/wiki/Arthur_C._Clarke" title="Arthur C. Clarke">Arthur C. Clarke</a></li></ul></li> <li>Wrecks <ul><li><a href="/wiki/Leigh_Bishop" title="Leigh Bishop">Leigh Bishop</a></li> <li><a href="/wiki/John_Chatterton" title="John Chatterton">John Chatterton</a></li> <li><a href="/wiki/Clive_Cussler" title="Clive Cussler">Clive Cussler</a></li> <li><a href="/wiki/Bill_Nagle" title="Bill Nagle">Bill Nagle</a></li> <li><a href="/wiki/Valerie_van_Heest" title="Valerie van Heest">Valerie van Heest</a></li> <li><a href="/wiki/Aristotelis_Zervoudis" title="Aristotelis Zervoudis">Aristotelis Zervoudis</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Aquanaut" title="Aquanaut">Aquanauts</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Andrew_Abercromby" title="Andrew Abercromby">Andrew Abercromby</a></li> <li><a href="/wiki/Joseph_M._Acaba" title="Joseph M. Acaba">Joseph M. Acaba</a></li> <li><a href="/wiki/Clayton_Anderson" title="Clayton Anderson">Clayton Anderson</a></li> <li><a href="/wiki/Richard_R._Arnold" title="Richard R. Arnold">Richard R. Arnold</a></li> <li><a href="/wiki/Serena_Au%C3%B1%C3%B3n-Chancellor" title="Serena Auñón-Chancellor">Serena Auñón-Chancellor</a></li> <li><a href="/wiki/Michael_Barratt_(astronaut)" title="Michael Barratt (astronaut)">Michael Barratt (astronaut)</a></li> <li><a href="/wiki/Robert_A._Barth" title="Robert A. Barth">Robert A. Barth</a></li> <li><a href="/wiki/Bob_Behnken" title="Bob Behnken">Robert L. Behnken</a></li> <li><a href="/wiki/Randolph_Bresnik" title="Randolph Bresnik">Randolph Bresnik</a></li> <li><a href="/wiki/Timothy_J._Broderick" title="Timothy J. Broderick">Timothy J. Broderick</a></li> <li><a href="/wiki/Justin_Brown_(aquanaut)" title="Justin Brown (aquanaut)">Justin Brown</a></li> <li><a href="/wiki/Berry_L._Cannon" title="Berry L. Cannon">Berry L. Cannon</a></li> <li><a href="/wiki/Scott_Carpenter" title="Scott Carpenter">Scott Carpenter</a></li> <li><a href="/wiki/Gregory_Chamitoff" title="Gregory Chamitoff">Gregory Chamitoff</a></li> <li><a href="/wiki/Steve_Chappell" title="Steve Chappell">Steve Chappell</a></li> <li><a href="/wiki/Catherine_Coleman" title="Catherine Coleman">Catherine Coleman</a></li> <li><a href="/wiki/Robin_Cook_(American_novelist)" title="Robin Cook (American novelist)">Robin Cook</a></li> <li><a href="/wiki/Craig_B._Cooper" title="Craig B. Cooper">Craig B. Cooper</a></li> <li><a href="/wiki/Fabien_Cousteau" title="Fabien Cousteau">Fabien Cousteau</a></li> <li><a href="/wiki/Philippe_Cousteau" title="Philippe Cousteau">Philippe Cousteau</a></li> <li><a href="/wiki/Timothy_Creamer" title="Timothy Creamer">Timothy Creamer</a></li> <li><a href="/wiki/Jonathan_Dory" title="Jonathan Dory">Jonathan Dory</a></li> <li><a href="/wiki/Pedro_Duque" title="Pedro Duque">Pedro Duque</a></li> <li><a href="/wiki/Sylvia_Earle" title="Sylvia Earle">Sylvia Earle</a></li> <li><a href="/wiki/Jeanette_Epps" title="Jeanette Epps">Jeanette Epps</a></li> <li><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a></li> <li><a href="/wiki/Albert_Falco" title="Albert Falco">Albert Falco</a></li> <li><a href="/wiki/Andrew_J._Feustel" title="Andrew J. Feustel">Andrew J. Feustel</a></li> <li><a href="/wiki/Michael_Fincke" title="Michael Fincke">Michael Fincke</a></li> <li><a href="/wiki/Satoshi_Furukawa" title="Satoshi Furukawa">Satoshi Furukawa</a></li> <li><a href="/wiki/Ronald_J._Garan_Jr." title="Ronald J. Garan Jr.">Ronald J. Garan Jr.</a></li> <li><a href="/wiki/Michael_L._Gernhardt" title="Michael L. Gernhardt">Michael L. Gernhardt</a></li> <li><a href="/wiki/Christopher_E._Gerty" title="Christopher E. Gerty">Christopher E. Gerty</a></li> <li><a href="/wiki/David_Gruber" title="David Gruber">David Gruber</a></li> <li><a href="/wiki/Chris_Hadfield" title="Chris Hadfield">Chris Hadfield</a></li> <li><a href="/wiki/Jeremy_Hansen" title="Jeremy Hansen">Jeremy Hansen</a></li> <li><a href="/wiki/Jos%C3%A9_M._Hern%C3%A1ndez" title="José M. Hernández">José M. Hernández</a></li> <li><a href="/wiki/John_Herrington" title="John Herrington">John Herrington</a></li> <li><a href="/wiki/Paul_Hill_(flight_director)" title="Paul Hill (flight director)">Paul Hill</a></li> <li><a href="/wiki/Akihiko_Hoshide" title="Akihiko Hoshide">Akihiko Hoshide</a></li> <li><a href="/wiki/Mark_Hulsbeck" title="Mark Hulsbeck">Mark Hulsbeck</a></li> <li><a href="/wiki/Emma_Hwang" title="Emma Hwang">Emma Hwang</a></li> <li><a href="/wiki/Norishige_Kanai" title="Norishige Kanai">Norishige Kanai</a></li> <li><a href="/wiki/Les_Kaufman" title="Les Kaufman">Les Kaufman</a></li> <li><a href="/wiki/Scott_Kelly_(astronaut)" title="Scott Kelly (astronaut)">Scott Kelly</a></li> <li><a href="/wiki/Karen_Kohanowich" title="Karen Kohanowich">Karen Kohanowich</a></li> <li><a href="/wiki/Timothy_Kopra" title="Timothy Kopra">Timothy Kopra</a></li> <li><a href="/wiki/Dominic_Landucci" title="Dominic Landucci">Dominic Landucci</a></li> <li><a href="/wiki/Jon_Lindbergh" title="Jon Lindbergh">Jon Lindbergh</a></li> <li><a href="/wiki/Kjell_N._Lindgren" title="Kjell N. Lindgren">Kjell N. Lindgren</a></li> <li><a href="/wiki/Michael_L%C3%B3pez-Alegr%C3%ADa" title="Michael López-Alegría">Michael López-Alegría</a></li> <li><a href="/wiki/Joseph_B._MacInnis" title="Joseph B. MacInnis">Joseph B. MacInnis</a></li> <li><a href="/wiki/Sandra_Magnus" title="Sandra Magnus">Sandra Magnus</a></li> <li><a href="/wiki/Thomas_Marshburn" title="Thomas Marshburn">Thomas Marshburn</a></li> <li><a href="/wiki/Matthias_Maurer" title="Matthias Maurer">Matthias Maurer</a></li> <li><a href="/wiki/K._Megan_McArthur" title="K. Megan McArthur">K. Megan McArthur</a></li> <li><a href="/wiki/Craig_McKinley_(physician)" title="Craig McKinley (physician)">Craig McKinley</a></li> <li><a href="/wiki/Jessica_Meir" title="Jessica Meir">Jessica Meir</a></li> <li><a href="/wiki/Simone_Melchior" title="Simone Melchior">Simone Melchior</a></li> <li><a href="/wiki/Dorothy_Metcalf-Lindenburger" title="Dorothy Metcalf-Lindenburger">Dorothy Metcalf-Lindenburger</a></li> <li><a href="/wiki/Andreas_Mogensen" title="Andreas Mogensen">Andreas Mogensen</a></li> <li><a href="/wiki/Karen_Nyberg" title="Karen Nyberg">Karen Nyberg</a></li> <li><a href="/wiki/John_D._Olivas" title="John D. Olivas">John D. Olivas</a></li> <li><a href="/wiki/Takuya_Onishi" title="Takuya Onishi">Takuya Onishi</a></li> <li><a href="/wiki/Luca_Parmitano" title="Luca Parmitano">Luca Parmitano</a></li> <li><a href="/wiki/Nicholas_Patrick" title="Nicholas Patrick">Nicholas Patrick</a></li> <li><a href="/wiki/Tim_Peake" title="Tim Peake">Tim Peake</a></li> <li><a href="/wiki/Thomas_Pesquet" title="Thomas Pesquet">Thomas Pesquet</a></li> <li><a href="/wiki/Marc_Reagan" title="Marc Reagan">Marc Reagan</a></li> <li><a href="/wiki/Garrett_Reisman" title="Garrett Reisman">Garrett Reisman</a></li> <li><a href="/wiki/Kathleen_Rubins" title="Kathleen Rubins">Kathleen Rubins</a></li> <li><a href="/wiki/Dick_Rutkowski" title="Dick Rutkowski">Dick Rutkowski</a></li> <li><a href="/wiki/Tara_Ruttley" title="Tara Ruttley">Tara Ruttley</a></li> <li><a href="/wiki/David_Saint-Jacques" title="David Saint-Jacques">David Saint-Jacques</a></li> <li><a href="/wiki/Josef_Schmid_(flight_surgeon)" title="Josef Schmid (flight surgeon)">Josef Schmid</a></li> <li><a href="/wiki/Robert_Sheats" title="Robert Sheats">Robert Sheats</a></li> <li><a href="/wiki/Dewey_Smith" title="Dewey Smith">Dewey Smith</a></li> <li><a href="/wiki/Steve_Squyres" title="Steve Squyres">Steve Squyres</a></li> <li><a href="/wiki/Heidemarie_Stefanyshyn-Piper" title="Heidemarie Stefanyshyn-Piper">Heidemarie Stefanyshyn-Piper</a></li> <li><a href="/wiki/Robert_St%C3%A9nuit" title="Robert Sténuit">Robert Sténuit</a></li> <li><a href="/wiki/Herv%C3%A9_Stevenin" title="Hervé Stevenin">Hervé Stevenin</a></li> <li><a href="/wiki/Nicole_Stott" title="Nicole Stott">Nicole Stott</a></li> <li><a href="/wiki/James_Talacek" title="James Talacek">James Talacek</a></li> <li><a href="/wiki/Daniel_M._Tani" title="Daniel M. Tani">Daniel M. Tani</a></li> <li><a href="/wiki/Robert_Thirsk" title="Robert Thirsk">Robert Thirsk</a></li> <li><a href="/wiki/Bill_Todd" title="Bill Todd">Bill Todd</a></li> <li><a href="/wiki/Mark_T._Vande_Hei" title="Mark T. Vande Hei">Mark T. Vande Hei</a></li> <li><a href="/wiki/Koichi_Wakata" title="Koichi Wakata">Koichi Wakata</a></li> <li><a href="/wiki/Rex_J._Walheim" title="Rex J. Walheim">Rex J. Walheim</a></li> <li><a href="/wiki/Shannon_Walker" title="Shannon Walker">Shannon Walker</a></li> <li><a href="/wiki/John_Morgan_Wells" title="John Morgan Wells">John Morgan Wells</a></li> <li><a href="/wiki/Joachim_Wendler" title="Joachim Wendler">Joachim Wendler</a></li> <li><a href="/wiki/Douglas_H._Wheelock" title="Douglas H. Wheelock">Douglas H. Wheelock</a></li> <li><a href="/wiki/Peggy_Whitson" title="Peggy Whitson">Peggy Whitson</a></li> <li><a href="/wiki/Dafydd_Williams" title="Dafydd Williams">Dafydd Williams</a></li> <li><a href="/wiki/Jeffrey_Williams_(astronaut)" title="Jeffrey Williams (astronaut)">Jeffrey Williams</a></li> <li><a href="/wiki/Sunita_Williams" title="Sunita Williams">Sunita Williams</a></li> <li><a href="/wiki/Reid_Wiseman" title="Reid Wiseman">Reid Wiseman</a></li> <li><a href="/wiki/Kimiya_Yui" title="Kimiya Yui">Kimiya Yui</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Writers and journalists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Michael_C._Barnette" title="Michael C. Barnette">Michael C. Barnette</a></li> <li><a href="/wiki/Victor_Berge" title="Victor Berge">Victor Berge</a></li> <li><a href="/wiki/Philippe_Diol%C3%A9" title="Philippe Diolé">Philippe Diolé</a></li> <li><a href="/wiki/Gary_Gentile" title="Gary Gentile">Gary Gentile</a></li> <li><a href="/wiki/Bret_Gilliam" title="Bret Gilliam">Bret Gilliam</a></li> <li><a href="/wiki/Bob_Halstead" title="Bob Halstead">Bob Halstead</a></li> <li><a href="/wiki/Hillary_Hauser" title="Hillary Hauser">Hillary Hauser</a></li> <li><a href="/wiki/Trevor_Jackson_(diver)" title="Trevor Jackson (diver)">Trevor Jackson</a></li> <li><a href="/wiki/Steve_Lewis_(diver)" title="Steve Lewis (diver)">Steve Lewis</a></li> <li><a href="/wiki/John_Mattera" title="John Mattera">John Mattera</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Rescuers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Craig_Challen" title="Craig Challen">Craig Challen</a></li> <li><a href="/wiki/Richard_Harris_(anaesthetist)" title="Richard Harris (anaesthetist)">Richard Harris</a></li> <li><a href="/wiki/Rick_Stanton" title="Rick Stanton">Rick Stanton</a></li> <li><a href="/wiki/John_Volanthen" title="John Volanthen">John Volanthen</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Frogmen</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lionel_Crabb" title="Lionel Crabb">Lionel Crabb</a></li> <li><a href="/wiki/Ian_Edward_Fraser" title="Ian Edward Fraser">Ian Edward Fraser</a></li> <li><a href="/wiki/Sydney_Knowles" title="Sydney Knowles">Sydney Knowles</a></li> <li><a href="/wiki/James_Joseph_Magennis" title="James Joseph Magennis">James Joseph Magennis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Commercial salvors</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Keith_Jessop" title="Keith Jessop">Keith Jessop</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Science_of_underwater_diving" style="font-size:114%;margin:0 4em"><a href="/wiki/Science_of_underwater_diving" title="Science of underwater diving">Science of underwater diving</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_researchers_in_underwater_diving" title="List of researchers in underwater diving">List of researchers in underwater diving</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_physics" title="Diving physics">Diving<br />physics</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Metre_sea_water" title="Metre sea water">Metre sea water</a></li> <li><a href="/wiki/Neutral_buoyancy" title="Neutral buoyancy">Neutral buoyancy</a></li> <li><a href="/wiki/Underwater_acoustics" title="Underwater acoustics">Underwater acoustics</a> <ul><li><a href="/wiki/Modulated_ultrasound" title="Modulated ultrasound">Modulated ultrasound</a></li></ul></li> <li><a href="/wiki/Underwater_vision" title="Underwater vision">Underwater vision</a> <ul><li><a href="/wiki/Underwater_computer_vision" title="Underwater computer vision">Underwater computer vision</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diving_physiology" class="mw-redirect" title="Diving physiology">Diving<br />physiology</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diving_reflex#Blood_shift" title="Diving reflex">Blood shift</a></li> <li><a href="/wiki/Cold_shock_response" title="Cold shock response">Cold shock response</a></li> <li><a href="/wiki/Diving_reflex" title="Diving reflex">Diving reflex</a></li> <li><a href="/wiki/Equivalent_narcotic_depth" title="Equivalent narcotic depth">Equivalent narcotic depth</a></li> <li><a href="/wiki/Maximum_operating_depth" title="Maximum operating depth">Maximum operating depth</a></li> <li><a href="/wiki/Physiological_response_to_water_immersion" class="mw-redirect" title="Physiological response to water immersion">Physiological response to water immersion</a></li> <li><a href="/wiki/Thermal_balance_of_the_underwater_diver" title="Thermal balance of the underwater diver">Thermal balance of the underwater diver</a></li> <li><a href="/wiki/Underwater_vision" title="Underwater vision">Underwater vision</a></li> <li><a href="/wiki/Work_of_breathing" title="Work of breathing">Work of breathing</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Decompressiontheory" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Decompression_theory" title="Decompression theory">Decompression<br />theory</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Decompression models: <ul><li><a href="/wiki/B%C3%BChlmann_decompression_algorithm" title="Bühlmann decompression algorithm">Bühlmann decompression algorithm</a></li> <li><a href="/wiki/Haldane%27s_decompression_model" title="Haldane's decompression model">Haldane's decompression model</a></li> <li><a href="/wiki/Reduced_gradient_bubble_model" title="Reduced gradient bubble model">Reduced gradient bubble model</a></li> <li><a href="/wiki/Thalmann_algorithm" title="Thalmann algorithm">Thalmann algorithm</a></li> <li><a href="/wiki/Thermodynamic_model_of_decompression" title="Thermodynamic model of decompression">Thermodynamic model of decompression</a></li> <li><a href="/wiki/Varying_Permeability_Model" title="Varying Permeability Model">Varying Permeability Model</a></li></ul></li> <li><a href="/wiki/Equivalent_air_depth" title="Equivalent air depth">Equivalent air depth</a></li> <li><a href="/wiki/Oxygen_window" title="Oxygen window">Oxygen window</a></li> <li><a href="/wiki/Physiology_of_decompression" title="Physiology of decompression">Physiology of decompression</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Underwater_diving_environment" title="Underwater diving environment">Diving<br />environments</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Underwater_exploration" title="Underwater exploration">Underwater exploration</a> <ul><li><a href="/wiki/Deep-sea_exploration" title="Deep-sea exploration">Deep-sea exploration</a></li></ul></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Classification</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_diving_environments_by_type" title="List of diving environments by type">List of diving environments by type</a></li> <li><a href="/wiki/Altitude_diving" title="Altitude diving">Altitude diving</a></li> <li><a href="/wiki/Benign_water_diving" class="mw-redirect" title="Benign water diving">Benign water diving</a></li> <li><a href="/wiki/Confined_water_diving" class="mw-redirect" title="Confined water diving">Confined water diving</a></li> <li><a href="/wiki/Deep_diving" title="Deep diving">Deep diving</a></li> <li><a href="/wiki/Inland_diving" class="mw-redirect" title="Inland diving">Inland diving</a></li> <li><a href="/wiki/Inshore_diving" class="mw-redirect" title="Inshore diving">Inshore diving</a></li> <li><a href="/wiki/Muck_diving" title="Muck diving">Muck diving</a></li> <li><a href="/wiki/Night_diving" title="Night diving">Night diving</a></li> <li><a href="/wiki/Open-water_diving" title="Open-water diving">Open-water diving</a> <ul><li><a href="/wiki/Black-water_diving" class="mw-redirect" title="Black-water diving">Black-water diving</a></li> <li><a href="/wiki/Blue-water_diving" class="mw-redirect" title="Blue-water diving">Blue-water diving</a></li></ul></li> <li><a href="/wiki/Penetration_diving" title="Penetration diving">Penetration diving</a> <ul><li><a href="/wiki/Cave_diving" title="Cave diving">Cave diving</a> <ul><li><a href="/wiki/Torricellian_chamber" title="Torricellian chamber">Torricellian chamber</a></li></ul></li> <li><a href="/wiki/Ice_diving" title="Ice diving">Ice diving</a></li> <li><a href="/wiki/Wreck_diving" title="Wreck diving">Wreck diving</a></li></ul></li> <li><a href="/wiki/Recreational_dive_sites" title="Recreational dive sites">Recreational dive sites</a></li> <li><a href="/wiki/Underwater_environment" title="Underwater environment">Underwater environment</a></li> <li><a href="/wiki/Underwater_diving_environment" title="Underwater diving environment">Underwater diving environment</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Impact</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Environmental_impact_of_recreational_diving" title="Environmental impact of recreational diving">Environmental impact of recreational diving</a></li> <li><a href="/wiki/Low_impact_diving" title="Low impact diving">Low impact diving</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Other" style="font-size:114%;margin:0 4em">Other</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bathysphere" title="Bathysphere">Bathysphere</a></li> <li><a href="/wiki/Defense_against_swimmer_incursions" title="Defense against swimmer incursions">Defense against swimmer incursions</a> <ul><li><a href="/wiki/Diver_detection_sonar" title="Diver detection sonar">Diver detection sonar</a></li></ul></li> <li><a href="/wiki/Offshore_survey" class="mw-redirect" title="Offshore survey">Offshore survey</a></li> <li><a href="/wiki/Rugged_compact_camera" class="mw-redirect" title="Rugged compact camera">Rugged compact camera</a></li> <li><a href="/wiki/Underwater_domain_awareness" title="Underwater domain awareness">Underwater domain awareness</a></li> <li><a href="/wiki/Underwater_vehicle" title="Underwater vehicle">Underwater vehicle</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Deep-submergence_vehicle" title="Deep-submergence vehicle">Deep-submergence<br />vehicle</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminaut" title="Aluminaut"><i>Aluminaut</i></a></li> <li><a href="/wiki/DSV_Alvin" title="DSV Alvin">DSV <i>Alvin</i></a></li> <li><a href="/wiki/American_submarine_NR-1" title="American submarine NR-1">American submarine NR-1</a></li> <li><a href="/wiki/Bathyscaphe" title="Bathyscaphe">Bathyscaphe</a> <ul><li><a href="/wiki/Archim%C3%A8de" title="Archimède"><i>Archimède</i></a></li> <li><a href="/wiki/FNRS-2" title="FNRS-2">FNRS-2</a></li> <li><a href="/wiki/FNRS-3" title="FNRS-3">FNRS-3</a></li> <li><a href="/wiki/Sea_Pole-class_bathyscaphe#Harmony_class_bathyscaphe" title="Sea Pole-class bathyscaphe"><i>Harmony</i> class bathyscaphe</a></li> <li><a href="/wiki/Sea_Pole-class_bathyscaphe" title="Sea Pole-class bathyscaphe"><i>Sea Pole</i>-class bathyscaphe</a></li> <li><a href="/wiki/Bathyscaphe_Trieste_II" class="mw-redirect" title="Bathyscaphe Trieste II"><i>Trieste II</i></a></li></ul></li> <li><a href="/wiki/Deepsea_Challenger" title="Deepsea Challenger"><i>Deepsea Challenger</i></a></li> <li><a href="/wiki/Ictineu_3" title="Ictineu 3"><i>Ictineu 3</i></a></li> <li><a href="/wiki/JAGO_(German_research_submersible)" title="JAGO (German research submersible)"><i>JAGO</i></a></li> <li><a href="/wiki/Jiaolong_(submersible)" title="Jiaolong (submersible)"><i>Jiaolong</i></a></li> <li><a href="/wiki/Konsul-class_submersible" title="Konsul-class submersible"><i>Konsul</i>-class submersible</a></li> <li><a href="/wiki/DSV_Limiting_Factor" title="DSV Limiting Factor"><i>Limiting Factor</i></a></li> <li><a href="/wiki/Russian_submarine_Losharik" title="Russian submarine Losharik">Russian submarine <i>Losharik</i></a></li> <li><a href="/wiki/Mir_(submersible)" title="Mir (submersible)"><i>Mir</i></a></li> <li><a href="/wiki/Nautile" title="Nautile"><i>Nautile</i></a></li> <li><a href="/wiki/Pisces-class_deep_submergence_vehicle" title="Pisces-class deep submergence vehicle"><i>Pisces</i>-class deep submergence vehicle</a></li> <li><a href="/wiki/DSV_Sea_Cliff" title="DSV Sea Cliff">DSV <i>Sea Cliff</i></a></li> <li><a href="/wiki/DSV_Shinkai" title="DSV Shinkai">DSV <i>Shinkai</i></a></li> <li><a href="/wiki/DSV_Shinkai_2000" title="DSV Shinkai 2000">DSV <i>Shinkai 2000</i></a></li> <li><a href="/wiki/DSV_Shinkai_6500" title="DSV Shinkai 6500">DSV <i>Shinkai 6500</i></a></li> <li><a href="/wiki/DSV_Turtle" title="DSV Turtle">DSV <i>Turtle</i></a></li> <li><a href="/wiki/DSV-5_Nemo" title="DSV-5 Nemo">DSV-5 <i>Nemo</i></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Submarine_rescue" title="Submarine rescue">Submarine rescue</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/International_Submarine_Escape_and_Rescue_Liaison_Office" title="International Submarine Escape and Rescue Liaison Office">International Submarine Escape and Rescue Liaison Office</a></li> <li><a href="/wiki/Submarine_Escape_and_Rescue_system_(Royal_Swedish_Navy)" title="Submarine Escape and Rescue system (Royal Swedish Navy)">Submarine Escape and Rescue system (Royal Swedish Navy)</a></li> <li><a href="/wiki/McCann_Rescue_Chamber" title="McCann Rescue Chamber">McCann Rescue Chamber</a></li> <li><a href="/wiki/Submarine_rescue_ship" title="Submarine rescue ship">Submarine rescue ship</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Deep-submergencerescue_vehicle" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Deep-submergence_rescue_vehicle" title="Deep-submergence rescue vehicle">Deep-submergence<br />rescue vehicle</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/LR5" title="LR5">LR5</a></li> <li><a href="/wiki/LR7" title="LR7">LR7</a></li> <li><a href="/wiki/MSM-1" title="MSM-1">MSM-1</a></li> <li><a href="/wiki/Mystic-class_deep-submergence_rescue_vehicle" title="Mystic-class deep-submergence rescue vehicle"><i>Mystic</i>-class deep-submergence rescue vehicle</a> <ul><li><a href="/wiki/DSRV-1_Mystic" title="DSRV-1 Mystic">DSRV-1 <i>Mystic</i></a></li> <li><a href="/wiki/DSRV-2_Avalon" title="DSRV-2 Avalon">DSRV-2 <i>Avalon</i></a></li></ul></li> <li><a href="/wiki/NATO_Submarine_Rescue_System" title="NATO Submarine Rescue System">NATO Submarine Rescue System</a></li> <li><a href="/wiki/Priz-class_deep-submergence_rescue_vehicle" title="Priz-class deep-submergence rescue vehicle"><i>Priz</i>-class deep-submergence rescue vehicle</a> <ul><li><a href="/wiki/Russian_deep_submergence_rescue_vehicle_AS-28" title="Russian deep submergence rescue vehicle AS-28">Russian deep submergence rescue vehicle AS-28</a></li> <li><a href="/wiki/Russian_submarine_AS-34" title="Russian submarine AS-34">Russian submarine AS-34</a></li></ul></li> <li><a href="/wiki/ASRV_Remora" class="mw-redirect" title="ASRV Remora">ASRV <i>Remora</i></a></li> <li><a href="/wiki/SRV-300" title="SRV-300">SRV-300</a></li> <li><a href="/wiki/Submarine_Rescue_Diving_Recompression_System" title="Submarine Rescue Diving Recompression System">Submarine Rescue Diving Recompression System</a></li> <li><a href="/wiki/Type_7103_DSRV" class="mw-redirect" title="Type 7103 DSRV">Type 7103 DSRV</a></li> <li><a href="/wiki/URF_(Swedish_Navy)" title="URF (Swedish Navy)">URF (Swedish Navy)</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/w/index.php?title=Submarine_escape&action=edit&redlink=1" class="new" title="Submarine escape (page does not exist)">Submarine escape</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Escape_trunk" title="Escape trunk">Escape trunk</a></li> <li><a href="/wiki/Submarine_escape_training_facility" title="Submarine escape training facility">Submarine escape training facility</a></li> <li><a href="/wiki/Submarine_Escape_Training_Facility_(Australia)" title="Submarine Escape Training Facility (Australia)">Submarine Escape Training Facility (Australia)</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Escape_set" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Escape_set" class="mw-redirect" title="Escape set">Escape set</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Davis_Submerged_Escape_Apparatus" title="Davis Submerged Escape Apparatus">Davis Submerged Escape Apparatus</a></li> <li><a href="/wiki/Momsen_lung" title="Momsen lung">Momsen lung</a></li> <li><a href="/wiki/Steinke_hood" title="Steinke hood">Steinke hood</a></li> <li><a href="/wiki/Submarine_Escape_Immersion_Equipment" title="Submarine Escape Immersion Equipment">Submarine Escape Immersion Equipment</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Special<br />interest<br />groups</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Artificial_Reef_Society_of_British_Columbia" title="Artificial Reef Society of British Columbia">Artificial Reef Society of British Columbia</a></li> <li><a href="/wiki/CMAS_Europe" title="CMAS Europe">CMAS Europe</a></li> <li><a href="/wiki/Coral_Reef_Alliance" title="Coral Reef Alliance">Coral Reef Alliance</a></li> <li><a href="/wiki/Divers_Alert_Network" title="Divers Alert Network">Divers Alert Network</a></li> <li><a href="/wiki/Green_Fins" title="Green Fins">Green Fins</a></li> <li><a href="/wiki/Finger_Lakes_Underwater_Preserve_Association" title="Finger Lakes Underwater Preserve Association">Finger Lakes Underwater Preserve Association</a></li> <li><a href="/wiki/Karst_Underwater_Research" title="Karst Underwater Research">Karst Underwater Research</a></li> <li><a href="/wiki/Nautical_Archaeology_Program" title="Nautical Archaeology Program">Nautical Archaeology Program</a></li> <li><a href="/wiki/Nautical_Archaeology_Society" title="Nautical Archaeology Society">Nautical Archaeology Society</a></li> <li><a href="/wiki/Naval_Air_Command_Sub_Aqua_Club" title="Naval Air Command Sub Aqua Club">Naval Air Command Sub Aqua Club</a></li> <li><a href="/wiki/PADI_AWARE" title="PADI AWARE">PADI AWARE</a></li> <li><a href="/wiki/Reef_Check" title="Reef Check">Reef Check</a></li> <li><a href="/wiki/Reef_Life_Survey" title="Reef Life Survey">Reef Life Survey</a></li> <li><a href="/wiki/Rubicon_Foundation" title="Rubicon Foundation">Rubicon Foundation</a></li> <li><a href="/wiki/Save_Ontario_Shipwrecks" title="Save Ontario Shipwrecks">Save Ontario Shipwrecks</a></li> <li><a href="/wiki/SeaKeys" title="SeaKeys">SeaKeys</a></li> <li><a href="/wiki/Sea_Research_Society" title="Sea Research Society">Sea Research Society</a></li> <li><a href="/wiki/Society_for_Underwater_Historical_Research" title="Society for Underwater Historical Research">Society for Underwater Historical Research</a></li> <li><a href="/wiki/Society_for_Underwater_Technology" title="Society for Underwater Technology">Society for Underwater Technology</a></li> <li><a href="/wiki/Underwater_Archaeology_Branch,_Naval_History_%26_Heritage_Command" title="Underwater Archaeology Branch, Naval History & Heritage Command">Underwater Archaeology Branch, Naval History & Heritage Command</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Neutral buoyancy<br />facilities for<br />Astronaut training</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neutral_Buoyancy_Laboratory" title="Neutral Buoyancy Laboratory">Neutral Buoyancy Laboratory</a></li> <li><a href="/wiki/Neutral_buoyancy_pool" title="Neutral buoyancy pool">Neutral buoyancy pool</a></li> <li><a href="/wiki/Neutral_buoyancy_simulation_as_a_training_aid" title="Neutral buoyancy simulation as a training aid">Neutral buoyancy simulation as a training aid</a></li> <li><a href="/wiki/Neutral_Buoyancy_Simulator" title="Neutral Buoyancy Simulator">Neutral Buoyancy Simulator</a></li> <li><a href="/wiki/Space_Systems_Laboratory_(Maryland)" title="Space Systems Laboratory (Maryland)">Space Systems Laboratory</a></li> <li><a href="/wiki/Yuri_Gagarin_Cosmonaut_Training_Center" title="Yuri Gagarin Cosmonaut Training Center">Yuri Gagarin Cosmonaut Training Center</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nautilus_Productions" title="Nautilus Productions">Nautilus Productions</a></li> <li><a href="/wiki/Helicopter_Aircrew_Breathing_Device" title="Helicopter Aircrew Breathing Device">Helicopter Aircrew Breathing Device</a></li> <li><a href="/wiki/Scuba_diving_therapy" title="Scuba diving therapy">Scuba diving therapy</a></li> <li><a href="/wiki/Seabed_mining" title="Seabed mining">Seabed mining</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="font-weight: bold;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" 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[\"CITEREFGentile1988\"] = 1,\n [\"CITEREFGentile1998\"] = 1,\n [\"CITEREFGurr2008\"] = 1,\n [\"CITEREFHamiltonRogersPowell1994\"] = 1,\n [\"CITEREFHuggins\"] = 1,\n [\"CITEREFHuggins1992\"] = 1,\n [\"CITEREFImbert2006\"] = 1,\n [\"CITEREFJablonski2006\"] = 1,\n [\"CITEREFJames_W._Miller1979\"] = 1,\n [\"CITEREFLang,_M.A.Hamilton,_Jr_R.W.1989\"] = 1,\n [\"CITEREFMøllerløkken2011\"] = 1,\n [\"CITEREFNawrocky2014\"] = 1,\n [\"CITEREFNishiTikuisis1996\"] = 1,\n [\"CITEREFPowell2008\"] = 1,\n [\"CITEREFStaff\"] = 3,\n [\"CITEREFStaff2005–2016\"] = 1,\n [\"CITEREFStaff2008\"] = 1,\n [\"CITEREFStaff2010\"] = 1,\n [\"CITEREFStaff2013\"] = 1,\n [\"CITEREFStaff2014\"] = 1,\n [\"CITEREFStaff2015\"] = 1,\n [\"CITEREFTruccoBiardRedureauFauvel1999\"] = 1,\n [\"CITEREFUS_Navy_Diving_Manual_Revision_6\"] = 1,\n [\"CITEREFUS_Navy_Diving_Manual_Revision_7_Ch_A\"] = 1,\n [\"CITEREFVan_LiewBishopWalderRahn1965\"] = 1,\n [\"CITEREFWarlaumont1991\"] = 1,\n}\ntemplate_list = table#1 {\n [\"Annotated link\"] 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