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vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Particular_problems_associated_with_deep_dives"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Particular problems associated with deep dives</span> </div> </a> <ul id="toc-Particular_problems_associated_with_deep_dives-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dealing_with_depth" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Dealing_with_depth"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Dealing with depth</span> </div> </a> <button aria-controls="toc-Dealing_with_depth-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 Dealing with depth subsection</span> </button> <ul id="toc-Dealing_with_depth-sublist" class="vector-toc-list"> <li id="toc-Equipment_adaptations_for_deeper_diving" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Equipment_adaptations_for_deeper_diving"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Equipment adaptations for deeper diving</span> </div> </a> <ul id="toc-Equipment_adaptations_for_deeper_diving-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Procedural_adaptations_for_deeper_diving" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Procedural_adaptations_for_deeper_diving"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Procedural adaptations for deeper diving</span> </div> </a> <ul id="toc-Procedural_adaptations_for_deeper_diving-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Ultra-deep_diving" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ultra-deep_diving"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Ultra-deep diving</span> </div> </a> <button aria-controls="toc-Ultra-deep_diving-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 Ultra-deep diving subsection</span> </button> <ul id="toc-Ultra-deep_diving-sublist" class="vector-toc-list"> <li id="toc-Mixed_gas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mixed_gas"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Mixed gas</span> </div> </a> <ul id="toc-Mixed_gas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Air" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Air"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Air</span> </div> </a> <ul id="toc-Air-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Fatalities_during_depth_record_attempts" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fatalities_during_depth_record_attempts"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Fatalities during depth record attempts</span> </div> </a> <ul id="toc-Fatalities_during_depth_record_attempts-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</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 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</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-Footnotes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Footnotes"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Footnotes</span> </div> </a> <ul id="toc-Footnotes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li 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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>Wreck diver <a href="/wiki/Trevor_Jackson_(diver)" title="Trevor Jackson (diver)">Trevor Jackson</a> using a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> with open circuit bailout cylinders returning from a 600-foot (180 m) dive.</figcaption></figure> <p><b>Deep diving</b> is <a href="/wiki/Underwater_diving" title="Underwater diving">underwater diving</a> to a depth beyond the norm accepted by the associated community. In some cases this is a prescribed limit established by an authority, while in others it is associated with a level of certification or training, and it may vary depending on whether the diving is <a href="/wiki/Recreational_diving" title="Recreational diving">recreational</a>, <a href="/wiki/Technical_diving" title="Technical diving">technical</a> or <a href="/wiki/Commercial_diving" title="Commercial diving">commercial</a>. <a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">Nitrogen narcosis</a> becomes a hazard below 30 metres (98 ft) and <a href="/wiki/Breathing_gas#Classification_by_oxygen_fraction" title="Breathing gas">hypoxic breathing gas</a> is required below 60 metres (200 ft) to lessen the risk of <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>. At much greater depths, breathing gases become supercritical fluids, making diving with conventional equipment effectively impossible regardless of the physiological effects on the human body. Air, for example, becomes a supercritical fluid below about 400 metres (1,300 ft). </p><p>For some recreational diving agencies, "Deep diving", or "Deep diver" may be a certification awarded to divers that have been trained to dive to a specified depth range, generally deeper than 30 metres (98 ft). However, the <a href="/wiki/Professional_Association_of_Diving_Instructors" title="Professional Association of Diving Instructors">Professional Association of Diving Instructors</a> (PADI) defines anything from 18 to 30 metres (59 to 98 ft) as a "deep dive" in the context of recreational diving (other diving organisations vary), and considers <i>deep diving</i> a form of <a href="/wiki/Technical_diving" title="Technical diving">technical diving</a>.<sup id="cite_ref-padi1_1-0" class="reference"><a href="#cite_note-padi1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2024)">page needed</span></a></i>]</sup> In <a href="/wiki/Technical_diving" title="Technical diving">technical diving</a>, a depth below about 60 metres (200 ft) where hypoxic <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a> becomes necessary to avoid <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a> may be considered a deep dive. In <a href="/wiki/Professional_diving" title="Professional diving">professional diving</a>, a depth that requires special equipment, procedures, or advanced training may be considered a deep dive. </p><p>Deep diving can mean something else in the commercial diving field. For instance early experiments carried out by <a href="/wiki/Compagnie_maritime_d%27expertises" title="Compagnie maritime d'expertises">COMEX</a> using <a href="/wiki/Heliox" title="Heliox">heliox</a> and <a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">trimix</a> attained far greater depths than any recreational technical diving. One example being its "Janus 4" open-sea dive to 501 metres (1,640 ft) in 1977.<sup id="cite_ref-comex2000_2-0" class="reference"><a href="#cite_note-comex2000-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The open-sea diving depth record was achieved in 1988 by a team of COMEX and French Navy divers who performed pipeline connection exercises at a depth of 534 metres (1,750 ft) in the Mediterranean Sea as part of the "Hydra 8" programme employing <a href="/wiki/Heliox" title="Heliox">heliox</a> and <a href="/wiki/Hydrox_(breathing_gas)" title="Hydrox (breathing gas)">hydrox</a>. The latter avoids the <a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">high-pressure nervous syndrome</a> (HPNS) caused by helium and eases breathing due to its lower density.<sup id="cite_ref-comex2000_2-1" class="reference"><a href="#cite_note-comex2000-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Hydra_8_4-0" class="reference"><a href="#cite_note-Hydra_8-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> These divers needed to breathe special gas mixtures because they were exposed to very high ambient pressure (more than 54 times atmospheric pressure). </p><p>An <a href="/wiki/Atmospheric_diving_suit" title="Atmospheric diving suit">atmospheric diving suit</a> (ADS) allows very deep dives of up to 700 metres (2,300 ft).<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> These suits are capable of withstanding the pressure at great depth permitting the diver to remain at normal atmospheric pressure. This eliminates the problems associated with breathing pressurised gases. In 2006 Chief Navy Diver Daniel Jackson set a record of 610 metres (2,000 ft) in an ADS.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>On 20 November 1992 COMEX's "Hydra 10" experiment simulated a dive in an onshore <a href="/wiki/Diving_chamber#Out_of_water_use" title="Diving chamber">hyperbaric chamber</a> with <a href="/wiki/Hydreliox" title="Hydreliox">hydreliox</a>. <a href="https://fr.wikipedia.org/wiki/Theo_Mavrostomos" class="extiw" title="fr:Theo Mavrostomos">Théo Mavrostomos</a> spent two hours at a simulated depth of 701 metres (2,300 ft).<sup id="cite_ref-comex2000_2-2" class="reference"><a href="#cite_note-comex2000-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-OTC-6073-MS_10-0" class="reference"><a href="#cite_note-OTC-6073-MS-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Depth_ranges_in_underwater_diving">Depth ranges in underwater diving</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=1" title="Edit section: Depth ranges in underwater diving"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Assumed is the surface of the waterbody to be at or near sea level and underlies atmospheric pressure. </p><p>Not included are the differing ranges of <a href="/wiki/Freediving" title="Freediving">freediving</a> – without breathing during a dive. <style data-mw-deduplicate="TemplateStyles:r1226773818">.mw-parser-output .defaultleft{text-align:left}.mw-parser-output .defaultcenter{text-align:center}.mw-parser-output .defaultright{text-align:right}.mw-parser-output .col1left td:nth-child(1),.mw-parser-output .col2left td:nth-child(2),.mw-parser-output .col3left td:nth-child(3),.mw-parser-output .col4left td:nth-child(4),.mw-parser-output .col5left td:nth-child(5),.mw-parser-output .col6left td:nth-child(6),.mw-parser-output .col7left td:nth-child(7),.mw-parser-output .col8left td:nth-child(8),.mw-parser-output .col9left td:nth-child(9),.mw-parser-output .col10left td:nth-child(10),.mw-parser-output .col11left 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td:nth-child(16),.mw-parser-output .col17right td:nth-child(17),.mw-parser-output .col18right td:nth-child(18),.mw-parser-output .col19right td:nth-child(19),.mw-parser-output .col20right td:nth-child(20),.mw-parser-output .col21right td:nth-child(21),.mw-parser-output .col22right td:nth-child(22),.mw-parser-output .col23right td:nth-child(23),.mw-parser-output .col24right td:nth-child(24),.mw-parser-output .col25right td:nth-child(25),.mw-parser-output .col26right td:nth-child(26),.mw-parser-output .col27right td:nth-child(27),.mw-parser-output .col28right td:nth-child(28),.mw-parser-output .col29right td:nth-child(29){text-align:right}</style> </p> <table class="wikitable col1right"> <caption> </caption> <tbody><tr> <th scope="col">Depth<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>nb 1<span class="cite-bracket">]</span></a></sup> </th> <th scope="col">Comments </th></tr> <tr> <td>12 m (39 ft)</td> <td>Recreational diving limit for divers aged under 12 years old and EN 14153-1 / ISO 24801-1 level 1 (Supervised Diver) standard.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>18 m (60 ft)</td> <td>Recreational diving limit for <a href="/wiki/Open_Water_Diver" title="Open Water Diver">Open Water Divers</a> (e.g. <a href="/wiki/Professional_Association_of_Diving_Instructors" title="Professional Association of Diving Instructors">PADI</a>, <a href="/wiki/National_Association_of_Underwater_Instructors" title="National Association of Underwater Instructors">NAUI</a>). </td></tr> <tr> <td>20 m (66 ft)</td> <td>Recreational diving limit for EN 14153-2  ISO 24801-2 level 2 "Autonomous Diver" standard.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>21 m (69 ft)</td> <td><a href="/wiki/Global_Underwater_Explorers" title="Global Underwater Explorers">GUE</a> Recreational Diver Level 1.<sup id="cite_ref-GUE2009_16-0" class="reference"><a href="#cite_note-GUE2009-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>30 m (98 ft)</td> <td>Recommended recreational diving limit for PADI Advanced Open Water divers<sup id="cite_ref-padi1_1-1" class="reference"><a href="#cite_note-padi1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2024)">page needed</span></a></i>]</sup> and GUE Recreational Diver Level 2.<sup id="cite_ref-GUE2009_16-1" class="reference"><a href="#cite_note-GUE2009-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Average depth at which <a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">nitrogen narcosis</a> symptoms begin to be noticeable in adults. </td></tr> <tr> <td>40 m (130 ft)</td> <td>Depth limit for divers specified by <a href="/wiki/Recreational_Scuba_Training_Council" class="mw-redirect" title="Recreational Scuba Training Council">Recreational Scuba Training Council</a><sup id="cite_ref-padi1_1-2" class="reference"><a href="#cite_note-padi1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2024)">page needed</span></a></i>]</sup> and GUE Recreational Diver Level 3.<sup id="cite_ref-GUE2009_16-2" class="reference"><a href="#cite_note-GUE2009-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Depth limit for a French level 2 diver accompanied by an instructor (level 4 diver), breathing air.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (September 2015)">citation needed</span></a></i>]</sup> </td></tr> <tr> <td>50 m (160 ft)</td> <td>Depth limit for divers breathing air specified by the <a href="/wiki/British_Sub-Aqua_Club" title="British Sub-Aqua Club">British Sub-Aqua Club</a> and <a href="/wiki/Sub-Aqua_Association" title="Sub-Aqua Association">Sub-Aqua Association</a>.<sup id="cite_ref-Cole_2008_17-0" class="reference"><a href="#cite_note-Cole_2008-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>60 m (200 ft)</td> <td>Depth limit for a group of 2 to 3 French Level 3 recreational divers, breathing air.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>66 m (217 ft)</td> <td>Depth at which breathing compressed air exposes the diver to an oxygen partial pressure of 1.6 bar (23 psi). Greater depth is considered to expose the diver to an unacceptable risk of <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>nb 2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>100 m (330 ft)</td> <td>One of the recommended technical diving limits. Maximum depth authorised for divers who have completed Trimix Diver certification with <a href="/wiki/IANTD" class="mw-redirect" title="IANTD">IANTD</a><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> or Advanced Trimix Diver certification with <a href="/wiki/Technical_Diving_International" title="Technical Diving International">TDI</a>.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>156 m (512 ft)</td> <td>Deepest <a href="/wiki/Scuba_set" title="Scuba set">scuba</a> dive on compressed air (July 1999 in <a href="/wiki/Puerto_Galera" title="Puerto Galera">Puerto Galera</a>, Philippines).<sup id="cite_ref-Gomes2009_22-0" class="reference"><a href="#cite_note-Gomes2009-22"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>200 m (660 ft)</td> <td>Limit for surface light penetration sufficient for <a href="/wiki/Photic_zone" title="Photic zone">plant growth</a> in clear water, though some visibility may be possible farther down.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>nb 3<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>230 m (750 ft)</td> <td>First dive on a <a href="/wiki/Hydrox_(breathing_gas)" title="Hydrox (breathing gas)">hydrox</a>-<a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> (14 February 2023 in the <a href="/wiki/Pearse_River" title="Pearse River">Pearse Resurgence</a>, New Zealand).<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>290 m (950 ft)</td> <td>Deepest ocean dive on a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> (23 March 2014 in <a href="/wiki/Gili_Islands#Gili_Trawangan" title="Gili Islands">Gili Trawangan</a>, Indonesia).<sup id="cite_ref-The_Scuba_News_25-0" class="reference"><a href="#cite_note-The_Scuba_News-25"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>312 m (1,024 ft)</td> <td>Deepest <a href="/wiki/Cave_diving" title="Cave diving">cave diving</a> on a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> (6 January 2024 in <a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France). </td></tr> <tr> <td>316 m (1,037 ft)</td> <td>Deepest dive on a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> (10 October 2018 in <a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy).<sup id="cite_ref-Macedoński2018_26-0" class="reference"><a href="#cite_note-Macedoński2018-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>332 m (1,089 ft)</td> <td>Deepest <a href="/wiki/Scuba_set" title="Scuba set">scuba</a> dive, deepest dive on <a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">trimix</a> (18 September 2014 in <a href="/wiki/Dahab" title="Dahab">Dahab</a>, Egypt).<sup id="cite_ref-Gabr_27-0" class="reference"><a href="#cite_note-Gabr-27"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-deepest_scuba_28-0" class="reference"><a href="#cite_note-deepest_scuba-28"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><span class="nowrap">534 m (1,752 ft)</span></td> <td>COMEX Hydra 8 dives on <a href="/wiki/Hydreliox" title="Hydreliox">hydreliox</a> (February 1988 offshore <a href="/wiki/Marseille" title="Marseille">Marseille</a>, France).<sup id="cite_ref-comex2000_2-3" class="reference"><a href="#cite_note-comex2000-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Hydra_8_4-1" class="reference"><a href="#cite_note-Hydra_8-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-OTC-6073-MS_10-1" class="reference"><a href="#cite_note-OTC-6073-MS-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Particular_problems_associated_with_deep_dives">Particular problems associated with deep dives</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=2" title="Edit section: Particular problems associated with deep dives"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Deep diving has more hazards and greater risk than basic <a href="/wiki/Open-water_diving" title="Open-water diving">open-water diving</a>.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">Nitrogen narcosis</a>, the "narks" or "rapture of the deep", starts with feelings of euphoria and over-confidence but then leads to numbness and memory impairment similar to <a href="/wiki/Alcohol_intoxication" title="Alcohol intoxication">alcohol intoxication</a>.<sup id="cite_ref-padi1_1-3" class="reference"><a href="#cite_note-padi1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2024)">page needed</span></a></i>]</sup> <a href="/wiki/Decompression_sickness" title="Decompression sickness">Decompression sickness</a>, or the "bends", can happen if a diver ascends too rapidly, when excess <a href="/wiki/Inert_gas#Diving" title="Inert gas">inert gas</a> leaves solution in the blood and tissues and forms bubbles. These bubbles produce mechanical and biochemical effects that lead to the condition. The onset of symptoms depends on the severity of the tissue gas loading and may develop during ascent in severe cases, but is frequently delayed until after reaching the surface.<sup id="cite_ref-padi1_1-4" class="reference"><a href="#cite_note-padi1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2024)">page needed</span></a></i>]</sup> Bone degeneration (<a href="/wiki/Dysbaric_osteonecrosis" title="Dysbaric osteonecrosis">dysbaric osteonecrosis</a>) is caused by the bubbles forming inside the bones; most commonly the upper arm and the thighs. Deep diving involves a much greater danger of all of these, and presents the additional risk of <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>, which may lead to convulsions underwater. Very deep diving using a helium-oxygen mixture (<a href="/wiki/Heliox" title="Heliox">heliox</a>) or a hydrogen-helium-oxygen mixture (<a href="/wiki/Hydreliox" title="Hydreliox">hydreliox</a>) carries the risk of <a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">high-pressure nervous syndrome</a> and <a href="/wiki/Hydrogen_narcosis" title="Hydrogen narcosis">hydrogen narcosis</a>. Coping with the physical and physiological stresses of deep diving requires good <a href="/wiki/Physical_fitness" title="Physical fitness">physical conditioning</a>.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>Using <a href="/wiki/Scuba_set" title="Scuba set">open-circuit scuba equipment</a>, consumption of <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a> is proportional to <a href="/wiki/Ambient_pressure" title="Ambient pressure">ambient pressure</a> – so at 50 metres (164 ft), where the pressure is 6 bars (87 psi), a diver breathes six times as much as on the surface (1 bar, 14.5 psi). Heavy physical exertion makes the diver breathe even more gas, and gas becomes <a href="/wiki/Density" title="Density">denser</a> requiring increased effort to breathe with depth, leading to increased risk of <a href="/wiki/Hypercapnia" title="Hypercapnia">hypercapnia</a> – an excess of <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> in the blood. The need to do <a href="/wiki/Decompression_stop" class="mw-redirect" title="Decompression stop">decompression stops</a> increases with depth. A diver at 6 metres (20 ft) may be able to dive for many hours without needing to do decompression stops. At depths greater than 40 metres (131 ft), a diver may have only a few minutes at the deepest part of the dive before decompression stops are needed. In the event of an emergency, the diver cannot make an immediate ascent to the surface without risking <a href="/wiki/Decompression_sickness" title="Decompression sickness">decompression sickness</a>. All of these considerations result in the amount of breathing gas required for deep diving being much greater than for shallow open water diving. The diver needs a disciplined approach to planning and conducting dives to minimise these additional risks. </p><p>Many of these problems are avoided by the use of surface supplied breathing gas, closed <a href="/wiki/Diving_bell" title="Diving bell">diving bells</a>, and <a href="/wiki/Saturation_diving" title="Saturation diving">saturation diving</a>, at the cost of logistical complexity, reduced maneuverability of the diver, and greater expense. </p> <div class="mw-heading mw-heading2"><h2 id="Dealing_with_depth">Dealing with depth</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=3" title="Edit section: Dealing with depth"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Deep_diving" title="Special:EditPage/Deep diving">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.</span> <span class="date-container"><i>(<span class="date">January 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <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 <a href="/wiki/Decompression_practice" title="Decompression practice">decompression dive</a>. Note the <a href="/wiki/Backplate_and_wing" title="Backplate and wing">backplate and wing</a> setup with <a href="/wiki/Sidemount_diving" title="Sidemount 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>Both equipment and procedures can be adapted to deal with the problems of greater depth. Usually the two are combined, as the procedures must be adapted to suit the equipment, and in some cases the equipment is needed to facilitate the procedures. </p> <div class="mw-heading mw-heading3"><h3 id="Equipment_adaptations_for_deeper_diving">Equipment adaptations for deeper diving</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=4" title="Edit section: Equipment adaptations for deeper diving"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The equipment used for deep diving depends on both the depth and the type of diving. <a href="/wiki/Scuba_set" title="Scuba set">Scuba</a> is limited to equipment that can be carried by the diver or is easily deployed by the <a href="/wiki/Dive_team" class="mw-redirect" title="Dive team">dive team</a>, while <a href="/wiki/Surface-supplied_diving" title="Surface-supplied diving">surface-supplied diving</a> equipment can be more extensive, and much of it stays above the water where it is operated by the <a href="/wiki/Diving_team" title="Diving team">diving support team</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2023)">citation needed</span></a></i>]</sup> </p> <ul><li>Scuba divers carry larger volumes of <a href="/wiki/Breathing_gas" title="Breathing gas">breathing gas</a> to compensate for the increased gas consumption and decompression stops.</li> <li><a href="/wiki/Diving_rebreather" title="Diving rebreather">Rebreathers</a>, though more complex, manage gas much more efficiently than <a href="/wiki/Scuba_set" title="Scuba set">open-circuit scuba</a>.</li> <li>Use of <a href="/wiki/Helium" title="Helium">helium</a>-based breathing gases such as <a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">trimix</a> reduces <a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">nitrogen narcosis</a> and reduces the <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">toxic effects of oxygen</a> at depth.</li> <li>A <a href="/wiki/Diving_shot" title="Diving shot">diving shot</a>, a <a href="/wiki/Decompression_trapeze" class="mw-redirect" title="Decompression trapeze">decompression trapeze</a>, or a <a href="/wiki/Decompression_buoy" class="mw-redirect" title="Decompression buoy">decompression buoy</a> can help divers control their ascent and return to the surface at a position that can be monitored by their surface support team at the end of a dive.</li> <li>Decompression can be <a href="/wiki/Decompression_practice#Accelerated_decompression" title="Decompression practice">accelerated</a> by using specially blended breathing gas mixtures containing lower proportions of inert gas.</li> <li><a href="/wiki/Surface_supplied_diving" class="mw-redirect" title="Surface supplied diving">Surface supply</a> of breathing gases reduces the risk of running out of gas.</li> <li>In-water decompression can be minimized by using <a href="/wiki/Diving_bell#Structure_of_a_typical_closed_bell" title="Diving bell">dry bells</a> and <a href="/wiki/Diving_chamber" title="Diving chamber">decompression chambers</a>.</li> <li><a href="/wiki/Diving_suit#Hot_water_suits" title="Diving suit">Hot-water suits</a> can prevent <a href="/wiki/Hypothermia" title="Hypothermia">hypothermia</a> due to the high heat loss when using helium-based breathing gases.</li> <li><a href="/wiki/Diving_bell" title="Diving bell">Diving bells</a> and <span title="See entry on this page at § lockout" class="glossary-link-internal" style="border-bottom: 1px dashed #86a1ff; color:initial;"><a href="/wiki/Glossary_of_underwater_diving_terminology:_H%E2%80%93O#lockout" title="Glossary of underwater diving terminology: H–O">lockout</a></span> <a href="/wiki/Submersible" title="Submersible">submersibles</a> expose the diver to the direct underwater environment for less time, and provide a relatively safe shelter that does not require decompression, with a dry environment where the diver can rest, take refreshment, and if necessary, receive first aid in an emergency.</li> <li>Breathing gas <span title="See entry on this page at § reclaim system" class="glossary-link-internal" style="border-bottom: 1px dashed #86a1ff; color:initial;"><a href="/wiki/Glossary_of_underwater_diving_terminology:_P%E2%80%93S#reclaim_system" title="Glossary of underwater diving terminology: P–S">reclaim system</a></span>s reduce the cost of using helium-based breathing gases, by recovering and recycling exhaled surface supplied gas, analogous to rebreathers for scuba diving.</li> <li>The most radical equipment adaptation for deep diving is to isolate the diver from the direct pressure of the environment, using armoured <a href="/wiki/Atmospheric_diving_suits" class="mw-redirect" title="Atmospheric diving suits">atmospheric diving suits</a> that allow diving to depths beyond those currently possible at ambient pressure. These rigid, articulated exoskeleton suits are sealed against water and withstand external pressure while providing life support to the diver for several hours at an internal pressure of approximately normal surface <a href="/wiki/Atmospheric_pressure" title="Atmospheric pressure">atmospheric pressure</a>. This avoids the problems of <a href="/wiki/Inert_gas_narcosis" class="mw-redirect" title="Inert gas narcosis">inert gas narcosis</a>, <a href="/wiki/Decompression_sickness" title="Decompression sickness">decompression sickness</a>, <a href="/wiki/Barotrauma" title="Barotrauma">barotrauma</a>, <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>, high <a href="/wiki/Work_of_breathing" title="Work of breathing">work of breathing</a>, <a href="/wiki/Compression_arthralgia" title="Compression arthralgia">compression arthralgia</a>, <a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">high-pressure nervous syndrome</a> and <a href="/wiki/Hypothermia" title="Hypothermia">hypothermia</a>, but at the cost of reduced mobility and dexterity, logistical problems due to the bulk and mass of the suits, and high equipment costs.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Procedural_adaptations_for_deeper_diving">Procedural adaptations for deeper diving</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=5" title="Edit section: Procedural adaptations for deeper diving"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Procedural adaptations for deep diving can be classified as those procedures for operating specialized equipment, and those that apply directly to the problems caused by exposure to high ambient pressures. </p> <ul><li>The most important procedure for dealing with physiological problems of breathing at high ambient pressures associated with deep diving is <a href="/wiki/Decompression_(diving)" title="Decompression (diving)">decompression</a>. This is necessary to prevent inert gas bubble formation in the body tissues of the diver, which can cause severe injury. <a href="/wiki/Decompression_practice" title="Decompression practice">Decompression procedures</a> have been derived for a large range of pressure exposures, using a large range of gas mixtures. These basically entail a slow and controlled reduction in pressure during ascent by using a restricted ascent rate and <a href="/wiki/Decompression_stop" class="mw-redirect" title="Decompression stop">decompression stops</a>, so that the inert gases dissolved in the tissues of the diver can be eliminated harmlessly during normal respiration.</li> <li><a href="/wiki/Dive_planning#Gas_planning" title="Dive planning">Gas management</a> procedures are necessary to ensure that the diver has access to suitable and sufficient breathing gas at all times during the dive, both for the planned dive profile and for any reasonably foreseeable contingency. Scuba gas management is logistically more complex than surface supply, as the diver must either carry all the gas, must follow a route where previously arranged gas supply depots have been set up (stage cylinders). or must rely on a team of support divers who will provide additional gas at pre-arranged signals or points on the planned dive. On very deep scuba dives or on occasions where long decompression times are planned, it is a common practice for support divers to meet the primary team at decompression stops to check if they need assistance, and these support divers will often carry extra gas supplies in case of need.</li></ul> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Plongee-RecycleurInspiration_20040221-153656.jpg" class="mw-file-description"><img alt="Closed circuit rebreather" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Plongee-RecycleurInspiration_20040221-153656.jpg/170px-Plongee-RecycleurInspiration_20040221-153656.jpg" decoding="async" width="170" height="272" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Plongee-RecycleurInspiration_20040221-153656.jpg/255px-Plongee-RecycleurInspiration_20040221-153656.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/30/Plongee-RecycleurInspiration_20040221-153656.jpg/340px-Plongee-RecycleurInspiration_20040221-153656.jpg 2x" data-file-width="800" data-file-height="1280" /></a><figcaption><a href="/wiki/Diving_rebreather#Closed_circuit_mixed_gas_rebreathers" title="Diving rebreather">Closed circuit rebreather</a> (<a href="/wiki/AP_Diving" title="AP Diving">AP Diving</a> "Inspiration").</figcaption></figure> <ul><li><a href="/wiki/Rebreather_diving" title="Rebreather diving">Rebreather diving</a> can reduce the bulk of the gas supplies for long and deep scuba dives, at the cost of more complex equipment with more potential failure modes, requiring more demanding procedures and higher procedural task loading.</li> <li><a href="/wiki/Surface_supplied_diving" class="mw-redirect" title="Surface supplied diving">Surface supplied diving</a> distributes the task loading between the divers and the support team, who remain in the relative safety and comfort of the surface control position. Gas supplies are limited only by what is available at the control position, and the diver only needs to carry sufficient bailout capacity to reach the nearest place of safety, which may be a <a href="/wiki/Diving_bell" title="Diving bell">diving bell</a> or lockout submersible.</li> <li><a href="/wiki/Saturation_diving" title="Saturation diving">Saturation diving</a> is a procedure used to reduce the high-risk decompression a diver is exposed to during a long series of deep underwater exposures. By keeping the diver under high pressure for the whole job, and only decompressing at the end of several days to weeks of underwater work, a single decompression can be done at a slower rate without adding much overall time to the job. During the saturation period, the diver lives in a pressurized environment at the surface, and is transported under pressure to the underwater work site in a closed diving bell.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Ultra-deep_diving">Ultra-deep diving</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=6" title="Edit section: Ultra-deep diving"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Mixed_gas">Mixed gas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=7" title="Edit section: Mixed gas"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Amongst <a href="/wiki/Technical_diving" title="Technical diving">technical divers</a>, there are divers who participate in ultra-deep diving on scuba below 200 metres (656 ft). This practice requires high levels of training, experience, discipline, fitness and surface support. Only twenty-six people are known to have ever dived to at least 240 metres (790 ft) on self-contained breathing apparatus recreationally.<sup id="cite_ref-Gomes2009_22-1" class="reference"><a href="#cite_note-Gomes2009-22"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Gomes2014_31-0" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>nb 4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>nb 5<span class="cite-bracket">]</span></a></sup> The "Holy Grail" of deep scuba diving was the 300 metres (980 ft) mark, first achieved by <a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a> in 2001, and has only been achieved five times since.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2024)">citation needed</span></a></i>]</sup> Due to the short bottom times and long decompression, scuba dives to these depths are generally only done for deep cave exploration or as record attempts. </p><p>The difficulties involved in ultra-deep diving are numerous. Although commercial and military divers<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (August 2024)">citation needed</span></a></i>]</sup> often operate at those depths, or even deeper, they are surface supplied. All of the complexities of ultra-deep diving are magnified by the requirement of the diver to carry (or provide for) their own gas underwater. These lead to rapid descents and "bounce dives". This has led to extremely high mortality rates amongst those who practice ultra-deep diving.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2024)">citation needed</span></a></i>]</sup> Notable ultra-deep diving fatalities include <a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a>, <a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a>, <a href="/wiki/David_Shaw_(diver)" class="mw-redirect" title="David Shaw (diver)">Dave Shaw</a> and <a href="/wiki/Guy_Garman" title="Guy Garman">Guy Garman</a>. <a href="/wiki/Mark_Ellyatt" title="Mark Ellyatt">Mark Ellyatt</a>, Don Shirley and <a href="/wiki/Pascal_Bernab%C3%A9" title="Pascal Bernabé">Pascal Bernabé</a> were involved in serious incidents and were fortunate to survive their dives. Despite the extremely high mortality rate, the <i><a href="/wiki/Guinness_World_Records" title="Guinness World Records">Guinness World Records</a></i> continues to maintain a record for scuba diving<sup id="cite_ref-deepest_scuba_28-1" class="reference"><a href="#cite_note-deepest_scuba-28"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> (although the record for deep diving with compressed air has not been updated since 1999, given the high accident rate). Amongst those who do survive significant health issues are reported. <a href="/wiki/Mark_Ellyatt" title="Mark Ellyatt">Mark Ellyatt</a> is reported to have suffered permanent lung damage; <a href="/wiki/Pascal_Bernab%C3%A9" title="Pascal Bernabé">Pascal Bernabé</a> (who was injured on his dive when a light on his mask imploded<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup>) and <a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a> reported short to medium term hearing loss.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Reliable_sources" title="Wikipedia:Reliable sources"><span title="The material near this tag may rely on an unreliable source. (June 2023)">unreliable source?</span></a></i>]</sup> </p><p>Serious issues that confront divers engaging in ultra-deep diving on self-contained breathing apparatus include: </p> <dl><dt><a href="/wiki/Compression_arthralgia" title="Compression arthralgia">Compression arthralgia</a></dt> <dd>Deep aching pain in the knees, shoulders, fingers, back, hips, neck, and ribs caused by exposure to high ambient pressure at a relatively high rate of descent (i.e., in "bounce dives").</dd> <dt><a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">High-pressure nervous syndrome</a> (HPNS)</dt> <dd>HPNS, brought on by breathing helium under extreme pressure causes <a href="/wiki/Tremor" title="Tremor">tremors</a>, <a href="/wiki/Myoclonic_jerk" class="mw-redirect" title="Myoclonic jerk">myoclonic jerking</a>, <a href="/wiki/Somnolence" title="Somnolence">somnolence</a>, <a href="/wiki/EEG" class="mw-redirect" title="EEG">EEG</a> changes,<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Visual" class="mw-redirect" title="Visual">visual</a> disturbance, <a href="/wiki/Nausea" title="Nausea">nausea</a>, <a href="/wiki/Dizziness" title="Dizziness">dizziness</a>, and decreased <a href="/wiki/Mind" title="Mind">mental</a> performance. Symptoms of HPNS are exacerbated by rapid compression, a feature common to ultra-deep "bounce" dives.</dd> <dt><a href="/wiki/Isobaric_counterdiffusion" title="Isobaric counterdiffusion">Isobaric counterdiffusion</a> (ICD)</dt> <dd>ICD is the diffusion of one inert gas into body tissues while another inert gas is diffusing out. It is a complication that can occur during decompression, and that can result in the formation or growth of bubbles without changes in the environmental pressure.</dd> <dt><a href="/wiki/Decompression_practice#Decompression_algorithms" title="Decompression practice">Decompression algorithm</a></dt> <dd>There are no reliable decompression algorithms tested for such depths on the assumption of an immediate surfacing. Almost all decompression methodology for such depths is based upon saturation, and calculates ascent times in days rather than hours. Accordingly, ultra-deep dives are almost always a partly experimental basis.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (December 2016)">citation needed</span></a></i>]</sup></dd></dl> <p>In addition, "ordinary" risks like size of gas reserves, hypothermia, dehydration and oxygen toxicity are compounded by extreme depth and exposure and long in-water decompression times. Some technical diving equipment is simply not designed for the greater pressures at these depths, and reports of key equipment (including submersible pressure gauges) imploding are not uncommon.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (December 2016)">citation needed</span></a></i>]</sup> </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1226773818"> <table class="wikitable sortable col3center col4center col5right col6center"> <caption>Verified scuba dives to at least 240 metres (790 ft) </caption> <tbody><tr> <th>Name</th> <th>Location</th> <th><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><span class="rt-commentedText tooltip tooltip-dotted" title="Type – Open water or Cave">T</span></th> <th><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><span class="rt-commentedText tooltip tooltip-dotted" title="Apparatus – Open circuit or closed circuit rebreather">A</span></th> <th>Depth</th> <th>Year </th></tr> <tr> <td>Ahmed Gabr<sup id="cite_ref-Gabr_27-1" class="reference"><a href="#cite_note-Gabr-27"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GuinnessGabr_37-0" class="reference"><a href="#cite_note-GuinnessGabr-37"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Dahab" title="Dahab">Dahab</a>, Egypt</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>332 m (1,090 ft)</td> <td>2014 </td></tr> <tr> <td><a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a><sup id="cite_ref-Gomes2014_31-1" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-sterling_40-0" class="reference"><a href="#cite_note-sterling-40"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Dahab" title="Dahab">Dahab</a>, Egypt</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>318 m (1,040 ft)</td> <td>2005 </td></tr> <tr> <td>Jarek Macedoński<sup id="cite_ref-Macedoński2018_26-1" class="reference"><a href="#cite_note-Macedoński2018-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>316 m (1,040 ft)</td> <td>2018 </td></tr> <tr> <td><a href="/wiki/Mark_Ellyatt" title="Mark Ellyatt">Mark Ellyatt</a><sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Phuket" class="mw-redirect" title="Phuket">Phuket Island</a>, Thailand</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>313 m (1,030 ft)</td> <td>2003 </td></tr> <tr> <td>Xavier Méniscus<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>312 m (1,024 ft)</td> <td>2024 </td></tr> <tr> <td><a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a><sup id="cite_ref-Tech_Dive_Academy_43-0" class="reference"><a href="#cite_note-Tech_Dive_Academy-43"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-0" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Puerto_Galera" title="Puerto Galera">Puerto Galera</a>, Philippines</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>308 m (1,010 ft)</td> <td>2001 </td></tr> <tr> <td>Frédéric Swierczynski<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>308 m (1,010 ft)</td> <td>2023 </td></tr> <tr> <td><a href="/wiki/Krzysztof_Starnawski" title="Krzysztof Starnawski">Krzysztof Starnawski</a><sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>303 m (994 ft)</td> <td>2018 </td></tr> <tr> <td>Will Goodman<sup id="cite_ref-The_Scuba_News_25-1" class="reference"><a href="#cite_note-The_Scuba_News-25"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Gili_Islands#Gili_Trawangan" title="Gili Islands">Gili Trawangan</a>, Indonesia</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>290 m (951 ft)</td> <td>2014 </td></tr> <tr> <td>Xavier Méniscus<sup id="cite_ref-:0_47-0" class="reference"><a href="#cite_note-:0-47"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>286 m (938 ft)</td> <td>2019 </td></tr> <tr> <td><a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a><sup id="cite_ref-Gomes2014_31-2" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>283 m (928 ft)</td> <td>1996 </td></tr> <tr> <td><a href="/wiki/Krzysztof_Starnawski" title="Krzysztof Starnawski">Krzysztof Starnawski</a><sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Dahab" title="Dahab">Dahab</a>, Egypt</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>283 m (928 ft)</td> <td>2011 </td></tr> <tr> <td><a href="/wiki/Jim_Bowden_(diver)" title="Jim Bowden (diver)">Jim Bowden</a><sup id="cite_ref-tdm12_50-0" class="reference"><a href="#cite_note-tdm12-50"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Zacat%C3%B3n" title="Zacatón">Zacatón</a>, Mexico</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>282 m (925 ft)</td> <td>1994 </td></tr> <tr> <td><a href="/wiki/Krzysztof_Starnawski" title="Krzysztof Starnawski">Krzysztof Starnawski</a><sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup></td> <td>Lake Viroit, Albania</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>278 m (912 ft)</td> <td>2016 </td></tr> <tr> <td>Han Ting</td> <td><a href="/wiki/GuangXi" class="mw-redirect" title="GuangXi">GuangXi</a>, China</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>277 m (909 ft)</td> <td>2023 </td></tr> <tr> <td>Gilberto de Oliveira<sup id="cite_ref-Gomes2014_31-3" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://pt.wikipedia.org/wiki/Lagoa_Misteriosa" class="extiw" title="pt:Lagoa Misteriosa">Lagoa Misteriosa</a>, Brazil</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>274 m (899 ft)</td> <td>2002 </td></tr> <tr> <td><a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a><sup id="cite_ref-Gomes2014_31-4" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Dahab" title="Dahab">Dahab</a>, Egypt</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>271 m (889 ft)</td> <td>2004 </td></tr> <tr> <td><a href="/wiki/David_Shaw_(diver)" class="mw-redirect" title="David Shaw (diver)">David Shaw</a><sup id="cite_ref-Gomes2014_31-5" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-1" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">DR</a></td> <td>271 m (889 ft)</td> <td>2004 </td></tr> <tr> <td>Frédéric Swierczynski</td> <td><a href="/w/index.php?title=Mescla&action=edit&redlink=1" class="new" title="Mescla (page does not exist)">Mescla</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>267 m (876 ft)</td> <td>2016 </td></tr> <tr> <td><a href="/wiki/Pascal_Bernab%C3%A9" title="Pascal Bernabé">Pascal Bernabé</a><sup id="cite_ref-Gomes2014_31-6" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Corsica" title="Corsica">Corsica</a>, France</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>266 m (873 ft)</td> <td>2005 </td></tr> <tr> <td><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a><sup id="cite_ref-Gomes2014_31-7" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-2" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Ciudad_Mante#Tourism" title="Ciudad Mante">Nacimiento del Mante</a>, Mexico</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>265 m (869 ft)</td> <td>1989 </td></tr> <tr> <td><a href="/wiki/Krzysztof_Starnawski" title="Krzysztof Starnawski">Krzysztof Starnawski</a><sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Hranice_Abyss" title="Hranice Abyss">Hranice Abyss</a>, Czechia</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>265 m (869 ft)</td> <td>2015 </td></tr> <tr> <td><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a><sup id="cite_ref-Gomes2014_31-8" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdm12_50-1" class="reference"><a href="#cite_note-tdm12-50"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-3" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Zacat%C3%B3n" title="Zacatón">Zacatón</a>, Mexico</td> <td>C</td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>264 m (866 ft)</td> <td>1989 </td></tr> <tr> <td>Luca Pedrali<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>264 m (866 ft)</td> <td>2017 </td></tr> <tr> <td><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a><sup id="cite_ref-Gomes2014_31-9" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdm12_50-2" class="reference"><a href="#cite_note-tdm12-50"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-4" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Scuba_set" title="Scuba set">SCUBA</a></td> <td>263 m (863 ft)</td> <td>1993 </td></tr> <tr> <td>Xavier Méniscus<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>262 m (860 ft)</td> <td>2015 </td></tr> <tr> <td><a href="/wiki/Mark_Ellyatt" title="Mark Ellyatt">Mark Ellyatt</a><sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2023)">citation needed</span></a></i>]</sup></td> <td><a href="/wiki/Phuket" class="mw-redirect" title="Phuket">Phuket Island</a> (?), Thailand</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>260 m (853 ft)</td> <td>2003 </td></tr> <tr> <td>Qian Chen<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup></td> <td><a href="/w/index.php?title=Daxing_Spring&action=edit&redlink=1" class="new" title="Daxing Spring (page does not exist)">Daxing Spring</a>, China</td> <td>C</td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>258 m (846 ft)</td> <td>2023 </td></tr> <tr> <td><a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a><sup id="cite_ref-Tech_Dive_Academy_43-1" class="reference"><a href="#cite_note-Tech_Dive_Academy-43"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-5" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Puerto_Galera" title="Puerto Galera">Puerto Galera</a>, Philippines</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>254 m (833 ft)</td> <td>2000 </td></tr> <tr> <td>Michele Geraci<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Bordighera" title="Bordighera">Bordighera</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>253 m (830 ft)</td> <td>2014 </td></tr> <tr> <td>Jordi Yherla<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>253 m (830 ft)</td> <td>2014 </td></tr> <tr> <td><a href="/wiki/Nuno_Gomes_(diver)" title="Nuno Gomes (diver)">Nuno Gomes</a><sup id="cite_ref-Gomes2014_31-10" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td>C</td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>252 m (827 ft)</td> <td>1994 </td></tr> <tr> <td>Don Shirley<sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>250 m (820 ft)</td> <td>2005 </td></tr> <tr> <td>Wacław Lejko<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-6" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>249 m (817 ft)</td> <td>2017 </td></tr> <tr> <td>Xavier Méniscus<sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup></td> <td><a href="https://fr.wikipedia.org/wiki/Estramar_(Font)" class="extiw" title="fr:Estramar (Font)">Font Estramar</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>248 m (814 ft)</td> <td>2013 </td></tr> <tr> <td>Karen van den Oever<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Boesmansgat" title="Boesmansgat">Boesmansgat</a>, South Africa</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>246 m (807 ft)</td> <td>2022 </td></tr> <tr> <td>Xavier Méniscus</td> <td><a href="/w/index.php?title=Goul_de_la_Tannerie&action=edit&redlink=1" class="new" title="Goul de la Tannerie (page does not exist)">Goul de la Tannerie</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>246 m (807 ft)</td> <td>2023 </td></tr> <tr> <td>C.J. Brossett<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup></td> <td>Gulf of Mexico</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>245 m (804 ft)</td> <td>2019 </td></tr> <tr> <td><a href="/wiki/Richard_Harris_(anaesthetist)" title="Richard Harris (anaesthetist)">Richard Harris</a>, <a href="/wiki/Craig_Challen" title="Craig Challen">Craig Challen</a><sup id="cite_ref-Seacraft2020_69-0" class="reference"><a href="#cite_note-Seacraft2020-69"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Pearse_River" title="Pearse River">Pearse Resurgence</a>, New Zealand</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>245 m (804 ft)</td> <td>2020 </td></tr> <tr> <td>Frédéric Swierczynski<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Red_Lake_(Croatia)" title="Red Lake (Croatia)">Red Lake</a>, Croatia</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>245 m (804 ft)</td> <td>2017 </td></tr> <tr> <td><a href="/wiki/Guy_Garman" title="Guy Garman">Guy Garman</a><sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-7" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Saint_Croix" title="Saint Croix">St. Croix</a>, U.S. Virgin Islands</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>244 m (800 ft)</td> <td>2015 </td></tr> <tr> <td>Dariusz Wilamowski<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, Italy</td> <td><a href="/wiki/Open-water_diving" title="Open-water diving">OW</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>243 m (797 ft)</td> <td>2012 </td></tr> <tr> <td>Xavier Méniscus</td> <td><a href="/w/index.php?title=Goul_de_la_Tannerie&action=edit&redlink=1" class="new" title="Goul de la Tannerie (page does not exist)">Goul de la Tannerie</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>243 m (797 ft)</td> <td>2019 </td></tr> <tr> <td>Alexandre Fox</td> <td><a href="/w/index.php?title=Goul_de_la_Tannerie&action=edit&redlink=1" class="new" title="Goul de la Tannerie (page does not exist)">Goul de la Tannerie</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>242 m (794 ft)</td> <td>2017 </td></tr> <tr> <td><a href="/wiki/Jim_Bowden_(diver)" title="Jim Bowden (diver)">Jim Bowden</a><sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Zacat%C3%B3n" title="Zacatón">Zacatón</a>, Mexico</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>240 m (800 ft)</td> <td>1993 </td></tr> <tr> <td>Xavier Méniscus</td> <td><a href="/w/index.php?title=Goul_de_la_Tannerie&action=edit&redlink=1" class="new" title="Goul de la Tannerie (page does not exist)">Goul de la Tannerie</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Diving_rebreather" title="Diving rebreather">CCR</a></td> <td>240 m (787 ft)</td> <td>2014 </td></tr> <tr> <td><a href="/wiki/Pascal_Bernab%C3%A9" title="Pascal Bernabé">Pascal Bernabé</a><sup id="cite_ref-75" class="reference"><a href="#cite_note-75"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Fontaine_de_Vaucluse_(spring)" title="Fontaine de Vaucluse (spring)">Fontaine de Vaucluse</a>, France</td> <td><a href="/wiki/Cave_diving" title="Cave diving">C</a></td> <td><a href="/wiki/Open_circuit_scuba" class="mw-redirect" title="Open circuit scuba">OC</a></td> <td>240 m (787 ft)</td> <td>1997 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Air">Air</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=8" title="Edit section: Air"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A severe risk in ultra-deep air diving is deep water blackout, or depth blackout, a loss of consciousness at depths below 50 metres (160 ft) with no clear primary cause, associated with <a href="/wiki/Nitrogen_narcosis" title="Nitrogen narcosis">nitrogen narcosis</a>, a neurological impairment with anaesthetic effects caused by high partial pressure of nitrogen dissolved in nerve tissue, and possibly acute <a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">oxygen toxicity</a>.<sup id="cite_ref-Exley_1986_76-0" class="reference"><a href="#cite_note-Exley_1986-76"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> The term is not in widespread use at present, as where the actual cause of blackout is known, a more specific term is preferred. The depth at which deep water blackout occurs is extremely variable and unpredictable.<sup id="cite_ref-77" class="reference"><a href="#cite_note-77"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup> Before the popular availability of <a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">trimix</a>, attempts were made to set world record depths using air. The extreme risk of both narcosis and oxygen toxicity in the divers contributed to a high fatality rate in those attempting records. In his book, <i>Deep Diving</i>, <a href="/wiki/Bret_Gilliam" title="Bret Gilliam">Bret Gilliam</a> chronicles the various fatal attempts to set records as well as the smaller number of successes.<sup id="cite_ref-Gilliam_78-0" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> From the comparatively few who survived extremely deep air dives: </p> <table class="wikitable sortable"> <caption>Deep air dives </caption> <tbody><tr> <th>Depth<sup id="cite_ref-convert_79-0" class="reference"><a href="#cite_note-convert-79"><span class="cite-bracket">[</span>nb 7<span class="cite-bracket">]</span></a></sup></th> <th>Year</th> <th style="width:12em;">Name</th> <th>Location</th> <th>E</th> <th>Comment </th></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">94 m (308 ft)</span></td> <td>1947</td> <td><a href="/wiki/Fr%C3%A9d%C3%A9ric_Dumas" title="Frédéric Dumas">Frédéric Dumas</a><sup id="cite_ref-Gilliam_78-1" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Mediterranean_Sea" title="Mediterranean Sea">Mediterranean Sea</a></td> <td>OW</td> <td style="vertical-align: top">A member of the GRS (<i>Groupement de Recherches Sous-marines</i>, Underwater Research Group headed by <a href="/wiki/Jacques_Cousteau" title="Jacques Cousteau">Jacques Cousteau</a>). </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">100 m (330 ft)</span></td> <td>1957</td> <td><a href="/wiki/Eduard_Admetlla_i_L%C3%A1zaro" title="Eduard Admetlla i Lázaro">Eduard Admetlla</a><sup id="cite_ref-vanguardia_80-0" class="reference"><a href="#cite_note-vanguardia-80"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Isla_de_Las_Palomas" title="Isla de Las Palomas">Isla de Las Palomas</a></td> <td>OW</td> <td style="vertical-align: top">Head of the Underwater Section of the «Submarine Research and Recovery Centre» </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">102 m (335 ft)</span></td> <td>1969</td> <td>Frank Salt<sup id="cite_ref-Gilliam_78-2" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Chinhoyi_Caves" title="Chinhoyi Caves">Chinhoyi Caves</a></td> <td>C</td> <td> </td></tr> <tr> <td><span class="nowrap">106 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (345 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1988</td> <td>Marty Dunwoody<sup id="cite_ref-Gilliam_78-3" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Bimini" title="Bimini">Bimini</a></td> <td>OW</td> <td style="vertical-align: top">Women's deep dive record </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">107 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (350 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1961</td> <td>Hal Watts<sup id="cite_ref-Gilliam_78-4" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td>Florida</td> <td>OW</td> <td> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">109 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (355 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1961</td> <td>Jean Clarke Samazen<sup id="cite_ref-Gilliam_78-5" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td>Florida</td> <td>OW</td> <td> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">110 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (360 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1965</td> <td><a href="/wiki/Tom_Mount" title="Tom Mount">Tom Mount</a>, Frank Martz<sup id="cite_ref-Gilliam_78-6" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td>Florida</td> <td>OW</td> <td> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">120 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (390 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1965</td> <td>Hal Watts, A.J. Muns<sup id="cite_ref-Gilliam_78-7" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td>Florida</td> <td>OW</td> <td> </td></tr> <tr> <td><span class="nowrap">126 m (415 ft)</span></td> <td>1970</td> <td>Hal Watts<sup id="cite_ref-Gilliam_78-8" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td>Mystery Sink</td> <td>C</td> <td> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">131 m (430 ft)</span></td> <td>1959</td> <td>Ennio Falco, Alberto Novelli, Cesare Olgiai</td> <td><a href="/wiki/Gulf_of_Naples" title="Gulf of Naples">Gulf of Naples</a></td> <td>OW</td> <td style="vertical-align: top">Employing the <a href="/wiki/Pirelli" title="Pirelli">Pirelli</a> Explorer, "Maior" model, a two-stage regulator (patented by Novelli and Buggiani) equipped with a lung bag and soda lime filter for <a href="/wiki/CO2" class="mw-redirect" title="CO2">CO<sub style="font-size: 80%;vertical-align: -0.35em">2</sub></a> removal, in order to reuse the exhaled air. Only two of the three divers managed to reach the depth in a certified way: Novelli, the organizer of the event and inventor of the regulator, forgot to punch the plate for proving the descent.<sup id="cite_ref-81" class="reference"><a href="#cite_note-81"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">134 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (437 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1968</td> <td>Neal Watson, John Gruener<sup id="cite_ref-Gilliam_78-9" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Bimini" title="Bimini">Bimini</a></td> <td>OW</td> <td> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">135 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (440 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1971</td> <td>Ann Gunderson<sup id="cite_ref-Gilliam_78-10" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-8" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Bahamas" class="mw-redirect" title="Bahamas">Bahamas</a></td> <td>OW</td> <td style="vertical-align: top">Women's deep dive record </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">139 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (452 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1990</td> <td><a href="/wiki/Bret_Gilliam" title="Bret Gilliam">Bret Gilliam</a><sup id="cite_ref-Gilliam_78-11" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Roat%C3%A1n" title="Roatán">Roatán</a></td> <td>OW</td> <td style="vertical-align: top">Unusually, Gilliam remained largely functional at depth and was able to complete basic maths problems and answer simple questions written on a slate by his crew beforehand. </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">142 m (466 ft)</span></td> <td>1971</td> <td><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a><sup id="cite_ref-83" class="reference"><a href="#cite_note-83"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-died_44-9" class="reference"><a href="#cite_note-died-44"><span class="cite-bracket">[</span>nb 6<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Andros_Island" class="mw-redirect" title="Andros Island">Andros Island</a></td> <td>OW</td> <td style="vertical-align: top">Exley was only supposed to go down to 91 m (299 ft) in his capacity as a safety diver (although he had practised several dives to 120 m (390 ft) in preparation), but descended to search for the dive team after they failed to return on schedule. Exley almost made it to the divers, but was forced to turn back due to heavy narcosis and nearly blacking out. </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">146 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (475 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1993</td> <td><a href="/wiki/Bret_Gilliam" title="Bret Gilliam">Bret Gilliam</a><sup id="cite_ref-Gilliam_78-12" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/EL_Salvador" class="mw-redirect" title="EL Salvador">EL Salvador</a></td> <td>OW</td> <td style="vertical-align: top">Again, Gilliam reported no effects from narcosis or oxygen toxicity. </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">150 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (490 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>)</span></td> <td>1994</td> <td>Dan Manion<sup id="cite_ref-Gilliam_78-13" class="reference"><a href="#cite_note-Gilliam-78"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Nassau,_Bahamas" class="mw-redirect" title="Nassau, Bahamas">Nassau</a></td> <td>OW</td> <td style="vertical-align: top">155 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (506 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>) claimed, but not officially recognised.<sup id="cite_ref-84" class="reference"><a href="#cite_note-84"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup> Manion reported he was almost completely incapacitated by narcosis and has no recollection of time at depth.<sup id="cite_ref-Gomes2014_31-11" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align: top;"> <td><span class="nowrap">156 m (512 ft)</span></td> <td>1999</td> <td>Mark Andrews<sup id="cite_ref-Gomes2009_22-2" class="reference"><a href="#cite_note-Gomes2009-22"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Puerto_Galera" title="Puerto Galera">Puerto Galera</a>, Philippines</td> <td>OW</td> <td style="vertical-align: top">At the maximum depth of 156.4 metres (513 ft) Andrews lost consciousness, his deep support diver <a href="/wiki/John_Bennett_(diver)" title="John Bennett (diver)">John Bennett</a> (on mixed gas), inflated his <a href="/wiki/Buoyancy_compensator_(diving)" title="Buoyancy compensator (diving)">BC</a> to initiate his ascent. While ascending he regained consciousness. </td></tr> <tr class="sortbottom"> <td class="hintergrundfarbe5" colspan="6"> <p><b>E</b> Environment: OW = Open water, C = Cave </p> </td></tr></tbody></table> <p>In deference to the high accident rate, the <a href="/wiki/Guinness_World_Records" title="Guinness World Records">Guinness World Records</a> have ceased to publish records for deep air dives, after Manion's dive.<sup id="cite_ref-Gomes2014_31-12" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Fatalities_during_depth_record_attempts">Fatalities during depth record attempts</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=9" title="Edit section: Fatalities during depth record attempts"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Maurice_Fargues" title="Maurice Fargues">Maurice Fargues</a>, a member of the GRS (<span title="French-language text"><i lang="fr">Groupement de Recherches Sous-marines</i></span>, Underwater Research Group headed by <a href="/wiki/Jacques_Cousteau" title="Jacques Cousteau">Jacques Cousteau</a>), died in 1947 after losing consciousness at depth in an experiment to see how deep a scuba diver could go. He reached 120 m (394 ft) before failing to return line signals. He became the first diver to perish using an <a href="/wiki/Aqua-Lung" title="Aqua-Lung">Aqua-Lung</a>.<sup id="cite_ref-Matsen_85-0" class="reference"><a href="#cite_note-Matsen-85"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SilentWorld_/_86-0" class="reference"><a href="#cite_note-SilentWorld_/-86"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Ecott_87-0" class="reference"><a href="#cite_note-Ecott-87"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup></li> <li>Hope Root died on 3 December 1953 off the coast of <a href="/wiki/Miami_Beach,_Florida" title="Miami Beach, Florida">Miami Beach</a> trying set a deep diving record of 125 m (410 ft) with an <a href="/wiki/Aqua-Lung" title="Aqua-Lung">Aqua-Lung</a>; he passed 152 m (500 ft) and was not seen again.<sup id="cite_ref-88" class="reference"><a href="#cite_note-88"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup></li> <li>Archie Forfar and Ann Gunderson died on 11 December 1971 off the coast of <a href="/wiki/Andros_Island" class="mw-redirect" title="Andros Island">Andros Island</a>, while attempting to dive to 146 m (479 ft), which would have been the world record at the time. Their third team member, Jim Lockwood, only survived due to his use of a safety weight that dropped when he lost consciousness at 122 m (400 ft), causing him to start an uncontrolled ascent before being intercepted by a safety diver at a depth of around 91 m (300 ft). <a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a>, who was acting as another safety diver at 300 feet, inadvertently managed to set the depth record when he descended towards Forfar and Gunderson, who were both still alive at the 480-foot level, although completely incapacitated by narcosis. Exley was forced to give up his attempt at around 142 m (465 ft) when the narcosis very nearly overcame him as well. The bodies of Forfar and Gunderson were never recovered.<sup id="cite_ref-Gomes2014_31-13" class="reference"><a href="#cite_note-Gomes2014-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Sheck_Exley" title="Sheck Exley">Sheck Exley</a> died in 1994 at 268 m (879 ft) in an attempt to reach the bottom of <a href="/wiki/Zacat%C3%B3n" title="Zacatón">Zacatón</a> in a dive that would have extended his own world record (at the time) for deep diving.<sup id="cite_ref-tdm12_50-3" class="reference"><a href="#cite_note-tdm12-50"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/David_Shaw_(diver)" class="mw-redirect" title="David Shaw (diver)">Dave Shaw</a> died in 2005 in an attempt at the deepest ever body recovery and deepest ever dive on a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> at 270 m (886 ft).<sup id="cite_ref-pmid17310877_89-0" class="reference"><a href="#cite_note-pmid17310877-89"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-90" class="reference"><a href="#cite_note-90"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup></li> <li>Brigitte Lenoir, planning to attempt the deepest dive ever made by a woman with a <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreather</a> to 230 m (750 ft), died on 14 May 2010 in <a href="/wiki/Dahab" title="Dahab">Dahab</a> while ascending from a training dive at 147 m (482 ft).<sup id="cite_ref-91" class="reference"><a href="#cite_note-91"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Guy_Garman" title="Guy Garman">Guy Garman</a> died on 15 August 2015 in an unsuccessful attempt to dive to 370 m (1,200 ft).<sup id="cite_ref-Dumas_92-0" class="reference"><a href="#cite_note-Dumas-92"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-93" class="reference"><a href="#cite_note-93"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> The Virgin Island Police Department confirmed that Guy Garman's body was recovered on 18 August 2015.<sup id="cite_ref-94" class="reference"><a href="#cite_note-94"><span class="cite-bracket">[</span>87<span class="cite-bracket">]</span></a></sup></li> <li>Theodora Balabanova died at Toroneos Bay, Greece, in September 2017 attempting to break the women's deep dive record with 231 m (758 ft). She did not complete the decompression stops and surfaced too early.<sup id="cite_ref-deeperblue_95-0" class="reference"><a href="#cite_note-deeperblue-95"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup></li> <li>Wacław Lejko attempting 275 m (902 ft) in <a href="/wiki/Lake_Garda" title="Lake Garda">Lake Garda</a>, died in September 2017. His body was recovered with an <a href="/wiki/Remotely_operated_underwater_vehicle" title="Remotely operated underwater vehicle">ROV</a> at 230 m (750 ft).<sup id="cite_ref-deeperblue_95-1" class="reference"><a href="#cite_note-deeperblue-95"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup></li> <li>Adam Krzysztof Pawlik, attempting to break the deep-diving world record of 316 m (1,037 ft) by Jarek Macedoński in Lake Garda, died on 13 October 2018. His body was located at 284 m (932 ft).<sup id="cite_ref-96" class="reference"><a href="#cite_note-96"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup></li> <li>Sebastian Marczewski was attempting to break the deep-diving world record going below 333 m (1,093 ft) in Lake Garda. He died on 6 July 2019 at 150 m (490 ft).<sup id="cite_ref-97" class="reference"><a href="#cite_note-97"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup></li> <li>Han Ting, having renewed his own 234 m (768 ft) deepest Asian cave dive record to 277 m (909 ft) in April 2023 in Tianchuang, planned to set a world record for deepest cave dive there, aiming at 300 m (980 ft) on 12 October 2023.<sup id="cite_ref-SDM20231026_98-0" class="reference"><a href="#cite_note-SDM20231026-98"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup> He failed to return from a preparatory dive on 7 October.<sup id="cite_ref-SDM20231026_98-1" class="reference"><a href="#cite_note-SDM20231026-98"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Divernet20231027_99-0" class="reference"><a href="#cite_note-Divernet20231027-99"><span class="cite-bracket">[</span>92<span class="cite-bracket">]</span></a></sup> His body was recovered by an <a href="/wiki/Remotely_operated_underwater_vehicle" title="Remotely operated underwater vehicle">ROV</a> on 25 October 2023.<sup id="cite_ref-Divernet20231027_99-1" class="reference"><a href="#cite_note-Divernet20231027-99"><span class="cite-bracket">[</span>92<span class="cite-bracket">]</span></a></sup></li></ul> <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=Deep_diving&action=edit&section=10" 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/Open-water_diving" title="Open-water diving">Open-water diving</a> – Diving with access to breathable air of the atmospher</li> <li><a href="/wiki/Cave_diving" title="Cave diving">Cave diving</a> – Diving in water-filled caves</li> <li><a href="/wiki/Breathing_gas" title="Breathing gas">Breathing gas</a> – Gas used for human respiration</li> <li><a href="/wiki/Heliox" title="Heliox">Heliox</a> – A breathing gas mixed from helium and oxygen</li> <li><a href="/wiki/Trimix_(breathing_gas)" title="Trimix (breathing gas)">Trimix</a> – Breathing gas consisting of oxygen, helium and nitrogen</li> <li><a href="/wiki/Hydreliox" title="Hydreliox">Hydreliox</a> – Breathing gas mixture of hydrogen, helium, and oxygen</li> <li><a href="/wiki/Hydrox_(breathing_gas)" title="Hydrox (breathing gas)">Hydrox</a> – Breathing gas mixture experimentally used for very deep diving</li> <li><a href="/wiki/Compression_arthralgia" title="Compression arthralgia">Compression arthralgia</a> – Joint pain caused by fast compression to high ambient pressure</li> <li><a href="/wiki/High-pressure_nervous_syndrome" title="High-pressure nervous syndrome">High-pressure nervous syndrome</a> – Disorder from breathing helium based gas</li> <li><a href="/wiki/Oxygen_toxicity" title="Oxygen toxicity">Oxygen toxicity</a> – Toxic effects of breathing oxygen at high partial pressures</li> <li><a href="/wiki/Isobaric_counterdiffusion" title="Isobaric counterdiffusion">Isobaric counterdiffusion</a> – Gaseous diffusion through body tissue at constant total pressure</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=Deep_diving&action=edit&section=11" 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 reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-padi1-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-padi1_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-padi1_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-padi1_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-padi1_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-padi1_1-4"><sup><i><b>e</b></i></sup></a></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="CITEREFBrylske2006" class="citation book cs1">Brylske, A. 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In Auler, Augusto; Rubbioli, Ezio; Brandi, Roberto (eds.). <i>As Grandes Cavernas do Brasil</i> (in Brazilian Portuguese). Grupo Bambuí de Pesquisas Espeleológicas. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-85-902206-1-9" title="Special:BookSources/978-85-902206-1-9"><bdi>978-85-902206-1-9</bdi></a><span class="reference-accessdate">. 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San Diego, CA.: Watersport publishing. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-922769-31-5" title="Special:BookSources/978-0-922769-31-5"><bdi>978-0-922769-31-5</bdi></a><span class="reference-accessdate">. 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Archived from the original on 2016-10-18.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=La+Vanguardia+Espanola&rft.atitle=Espa%C3%B1a+conquista+la+marca+mundial+de+profundidad+con+escafandra+autonoma&rft.pages=20&rft.date=1957-10-03&rft.aulast=Vidal+Sola&rft.aufirst=Clemente&rft_id=http%3A%2F%2Fhemeroteca.lavanguardia.com%2Fpreview%2F1957%2F10%2F03%2Fpagina-20%2F32768514%2Fpdf.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_news" title="Template:Cite news">cite news</a>}}</code>: CS1 maint: unfit URL (<a href="/wiki/Category:CS1_maint:_unfit_URL" title="Category:CS1 maint: unfit URL">link</a>)</span></span> </li> <li id="cite_note-81"><span class="mw-cite-backlink"><b><a href="#cite_ref-81">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFalangola1959" class="citation magazine cs1 cs1-prop-foreign-lang-source">Falangola, Renata (1959). <a rel="nofollow" class="external text" href="http://www.bibliotecadiunapneista.it/articoli/mondo_sommerso/003/3.htm">"Il nuovo record mondiale di profondità. 130 metri... ma Novelli non lascia il segno"</a> [The new world record for depth. 130 metres... but Novelli doesn't leave a mark]. <i>Mondo Sommerso</i> (in Italian). Vol. 3. pp. 1–3<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-05-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Mondo+Sommerso&rft.atitle=Il+nuovo+record+mondiale+di+profondit%C3%A0.+130+metri...+ma+Novelli+non+lascia+il+segno&rft.volume=3&rft.pages=1-3&rft.date=1959&rft.aulast=Falangola&rft.aufirst=Renata&rft_id=http%3A%2F%2Fwww.bibliotecadiunapneista.it%2Farticoli%2Fmondo_sommerso%2F003%2F3.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://www.cg-45.com/regulators/Pirelli/">About Pirelli Explorer</a>, <a rel="nofollow" class="external text" href="https://patents.google.com/patent/US3085571A/en">Patent of Novelli and Buggiani</a>.</span> </li> <li id="cite_note-82"><span class="mw-cite-backlink"><b><a href="#cite_ref-82">^</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.visitcaymanislands.com/en-us/isdhf/isdhf-bios/neal-watson">"Neal Watson"</a>. <i>International Scuba Dive Hall of Fame</i>. Cayman Islands Department of Tourism. 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-07-02</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=International+Scuba+Dive+Hall+of+Fame&rft.atitle=Neal+Watson&rft.date=2023&rft_id=https%3A%2F%2Fwww.visitcaymanislands.com%2Fen-us%2Fisdhf%2Fisdhf-bios%2Fneal-watson&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-83"><span class="mw-cite-backlink"><b><a href="#cite_ref-83">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFExley2009" class="citation book cs1"><a href="/wiki/Sheck_Exley" title="Sheck Exley">Exley, Sheck</a> (2009). <i>Caverns Measureless To Man</i>. Cave Books. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-939748-25-9" title="Special:BookSources/978-0-939748-25-9"><bdi>978-0-939748-25-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Caverns+Measureless+To+Man&rft.pub=Cave+Books&rft.date=2009&rft.isbn=978-0-939748-25-9&rft.aulast=Exley&rft.aufirst=Sheck&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-84"><span class="mw-cite-backlink"><b><a href="#cite_ref-84">^</a></b></span> <span class="reference-text">The record is not officially recognised; Marion's second dive computer registered a depth of 150 <a href="/wiki/Metre_sea_water" title="Metre sea water">msw</a> (490 <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">fsw</a>). See generally <i>Deep Diving</i> by Bret Gilliam, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-922769-31-1" title="Special:BookSources/0-922769-31-1">0-922769-31-1</a>, at pages 35 and following.<a rel="nofollow" class="external autonumber" href="https://books.google.com/books?id=HVbjgdorRXAC&dq=%22bret+gilliam%22+record+air&pg=PA35">[1]</a></span> </li> <li id="cite_note-Matsen-85"><span class="mw-cite-backlink"><b><a href="#cite_ref-Matsen_85-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMatsen,_Brad2009" class="citation book cs1">Matsen, Brad (2009). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/jacquescousteaus0000mats"><i>Jacques Cousteau: The Sea King</i></a></span>. New York: Pantheon Books. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/jacquescousteaus0000mats/page/73">73</a>, 76–79, 85. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-375-42413-7" title="Special:BookSources/978-0-375-42413-7"><bdi>978-0-375-42413-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Jacques+Cousteau%3A+The+Sea+King&rft.place=New+York&rft.pages=73%2C+76-79%2C+85&rft.pub=Pantheon+Books&rft.date=2009&rft.isbn=978-0-375-42413-7&rft.au=Matsen%2C+Brad&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fjacquescousteaus0000mats&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-SilentWorld_/-86"><span class="mw-cite-backlink"><b><a href="#cite_ref-SilentWorld_/_86-0">^</a></b></span> <span class="reference-text">Cousteau, J. Y.; Dumas, Frédéric (1953). The Silent World. New York: Harper & Brothers Publishers. LCCN 52-5431.</span> </li> <li id="cite_note-Ecott-87"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ecott_87-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEcott2001" class="citation book cs1">Ecott, Tim (2001). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/neutralbuoyancy00time_0"><i>Neutral Buoyancy: Adventures in a Liquid World</i></a></span>. New York: Atlantic Monthly Press. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/neutralbuoyancy00time_0/page/124">124–125</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-87113-794-1" title="Special:BookSources/0-87113-794-1"><bdi>0-87113-794-1</bdi></a>. <a href="/wiki/LCCN_(identifier)" class="mw-redirect" title="LCCN (identifier)">LCCN</a> <a rel="nofollow" class="external text" href="https://lccn.loc.gov/2001018840">2001018840</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Neutral+Buoyancy%3A+Adventures+in+a+Liquid+World&rft.place=New+York&rft.pages=124-125&rft.pub=Atlantic+Monthly+Press&rft.date=2001&rft_id=info%3Alccn%2F2001018840&rft.isbn=0-87113-794-1&rft.aulast=Ecott&rft.aufirst=Tim&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fneutralbuoyancy00time_0&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-88"><span class="mw-cite-backlink"><b><a href="#cite_ref-88">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://www.newspapers.com/article/11311879/hope-root-lost-after-500-ft/">"Diver lost After 500 Ft. Descent"</a>. <i><a href="/wiki/Herald_%26_Review" title="Herald & Review">The Decatur Daily Review</a></i>. Decatur, IL. 1953-12-04. p. 1<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-06-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Decatur+Daily+Review&rft.atitle=Diver+lost+After+500+Ft.+Descent&rft.pages=1&rft.date=1953-12-04&rft_id=https%3A%2F%2Fwww.newspapers.com%2Farticle%2F11311879%2Fhope-root-lost-after-500-ft%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-pmid17310877-89"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid17310877_89-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMitchellCronjéMeintjesBritz2007" class="citation journal cs1"><a href="/wiki/Simon_Mitchell" title="Simon Mitchell">Mitchell SJ</a>, Cronjé FJ, Meintjes WA, Britz HC (February 2007). <a rel="nofollow" class="external text" href="http://www.ingentaconnect.com/content/asma/asem/2007/00000078/00000002/art00001">"Fatal respiratory failure during a "technical" rebreather dive at extreme pressure"</a>. <i>Aviat Space Environ Med</i>. <b>78</b> (2): 81–6. <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/17310877">17310877</a><span class="reference-accessdate">. Retrieved <span class="nowrap">15 June</span> 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviat+Space+Environ+Med&rft.atitle=Fatal+respiratory+failure+during+a+%22technical%22+rebreather+dive+at+extreme+pressure&rft.volume=78&rft.issue=2&rft.pages=81-6&rft.date=2007-02&rft_id=info%3Apmid%2F17310877&rft.aulast=Mitchell&rft.aufirst=SJ&rft.au=Cronj%C3%A9%2C+FJ&rft.au=Meintjes%2C+WA&rft.au=Britz%2C+HC&rft_id=http%3A%2F%2Fwww.ingentaconnect.com%2Fcontent%2Fasma%2Fasem%2F2007%2F00000078%2F00000002%2Fart00001&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-90"><span class="mw-cite-backlink"><b><a href="#cite_ref-90">^</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://web.archive.org/web/20070225090440/http://youtube.com/watch?v=mF4iFJ-G74o">"The Last Dive of David Shaw"</a>. <i><a href="/wiki/YouTube" title="YouTube">YouTube</a></i>. Archived from the original on 2007-02-25.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=YouTube&rft.atitle=The+Last+Dive+of+David+Shaw&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DmF4iFJ-G74o&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: CS1 maint: unfit URL (<a href="/wiki/Category:CS1_maint:_unfit_URL" title="Category:CS1 maint: unfit URL">link</a>)</span></span> </li> <li id="cite_note-91"><span class="mw-cite-backlink"><b><a href="#cite_ref-91">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJeffrey2017" class="citation web cs1">Jeffrey, Gallant (2017-08-26). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190426130511/https://divingalmanac.com/deepest-rebreather-dive-ccr-freshwater-women/">"Deepest rebreather dive [CCR – Freshwater – Women]"</a>. <i>Diving Almanac</i>. Archived from the original on 2019-04-26.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Diving+Almanac&rft.atitle=Deepest+rebreather+dive+%5BCCR+%E2%80%93+Freshwater+%E2%80%93+Women%5D&rft.date=2017-08-26&rft.aulast=Jeffrey&rft.aufirst=Gallant&rft_id=https%3A%2F%2Fdivingalmanac.com%2Fdeepest-rebreather-dive-ccr-freshwater-women%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: CS1 maint: unfit URL (<a href="/wiki/Category:CS1_maint:_unfit_URL" title="Category:CS1 maint: unfit URL">link</a>)</span></span> </li> <li id="cite_note-Dumas-92"><span class="mw-cite-backlink"><b><a href="#cite_ref-Dumas_92-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDumas2015" class="citation news cs1">Dumas, Daisy (18 August 2015). <a rel="nofollow" class="external text" href="http://www.smh.com.au/sport/doc-deep-guy-garman-dies-in-attempt-to-break-world-record-scuba-dive-20150817-gj1ebb.html">"<span class="cs1-kern-left"></span>'Doc Deep' Guy Garman dies in attempt to break world record scuba dive"</a>. <i>The Sydney Morning Herald</i>. Fairfax Media<span class="reference-accessdate">. Retrieved <span class="nowrap">18 August</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Sydney+Morning+Herald&rft.atitle=%27Doc+Deep%27+Guy+Garman+dies+in+attempt+to+break+world+record+scuba+dive&rft.date=2015-08-18&rft.aulast=Dumas&rft.aufirst=Daisy&rft_id=http%3A%2F%2Fwww.smh.com.au%2Fsport%2Fdoc-deep-guy-garman-dies-in-attempt-to-break-world-record-scuba-dive-20150817-gj1ebb.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-93"><span class="mw-cite-backlink"><b><a href="#cite_ref-93">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2015" class="citation news cs1">Staff (16 August 2015). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150819235453/http://stcroixsource.com/content/news/local-news/2015/08/16/st-croixs-dr-deep-guy-garman-dies-world-record-attempt">"St. Croix's 'Dr. Deep' Guy Garman Dies in World Record Attempt"</a>. <i>St Croix Source</i>. 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Retrieved <span class="nowrap">18 August</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=St+Croix+Source&rft.atitle=St.+Croix%27s+%27Dr.+Deep%27+Guy+Garman+Dies+in+World+Record+Attempt&rft.date=2015-08-16&rft.au=Staff&rft_id=http%3A%2F%2Fstcroixsource.com%2Fcontent%2Fnews%2Flocal-news%2F2015%2F08%2F16%2Fst-croixs-dr-deep-guy-garman-dies-world-record-attempt&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_news" title="Template:Cite news">cite news</a>}}</code>: CS1 maint: unfit URL (<a href="/wiki/Category:CS1_maint:_unfit_URL" title="Category:CS1 maint: unfit URL">link</a>)</span></span> </li> <li id="cite_note-94"><span class="mw-cite-backlink"><b><a href="#cite_ref-94">^</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.wbir.com/story/news/local/maryville-blount/2015/08/18/former-maryville-doctor-presumed-dead-after-deep-water-dive/31909241/">"Searchers find body of former Maryville Dr. killed in diving accident"</a>. <i>WBIR.COM</i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 August</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=WBIR.COM&rft.atitle=Searchers+find+body+of+former+Maryville+Dr.+killed+in+diving+accident&rft_id=http%3A%2F%2Fwww.wbir.com%2Fstory%2Fnews%2Flocal%2Fmaryville-blount%2F2015%2F08%2F18%2Fformer-maryville-doctor-presumed-dead-after-deep-water-dive%2F31909241%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged June 2023">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-deeperblue-95"><span class="mw-cite-backlink">^ <a href="#cite_ref-deeperblue_95-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-deeperblue_95-1"><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="CITEREFHelmy2017" class="citation web cs1">Helmy, Sam (27 September 2017). <a rel="nofollow" class="external text" href="https://www.deeperblue.com/tragedy-strikes-multiple-record-attempts/">"Tragedy Strikes Multiple Scuba Record Attempts"</a>. <i>www.deeperblue.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 July</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.deeperblue.com&rft.atitle=Tragedy+Strikes+Multiple+Scuba+Record+Attempts&rft.date=2017-09-27&rft.aulast=Helmy&rft.aufirst=Sam&rft_id=https%3A%2F%2Fwww.deeperblue.com%2Ftragedy-strikes-multiple-record-attempts%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-96"><span class="mw-cite-backlink"><b><a href="#cite_ref-96">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20230622023107/https://tvpworld.com/39523877/body-of-missing-polish-diver-found-in-italy">"Body of missing Polish diver found in Italy"</a>. <i>TVPWorld</i>. 2018-10-18. Archived from <a rel="nofollow" class="external text" href="https://tvpworld.com/39523877/body-of-missing-polish-diver-found-in-italy">the original</a> on 2023-06-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-06-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=TVPWorld&rft.atitle=Body+of+missing+Polish+diver+found+in+Italy&rft.date=2018-10-18&rft_id=https%3A%2F%2Ftvpworld.com%2F39523877%2Fbody-of-missing-polish-diver-found-in-italy&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-97"><span class="mw-cite-backlink"><b><a href="#cite_ref-97">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20230621141751/https://tvpworld.com/43409290/afghanistan-veteran-dies-attempting-to-break-deep-diving-record">"Afghanistan veteran dies attempting to break deep diving record"</a>. <i>TVPWorld</i>. Warsaw. 2019-07-08. Archived from <a rel="nofollow" class="external text" href="https://tvpworld.com/43409290/afghanistan-veteran-dies-attempting-to-break-deep-diving-record">the original</a> on 2023-06-21<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-06-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=TVPWorld&rft.atitle=Afghanistan+veteran+dies+attempting+to+break+deep+diving+record&rft.date=2019-07-08&rft_id=https%3A%2F%2Ftvpworld.com%2F43409290%2Fafghanistan-veteran-dies-attempting-to-break-deep-diving-record&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-SDM20231026-98"><span class="mw-cite-backlink">^ <a href="#cite_ref-SDM20231026_98-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-SDM20231026_98-1"><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="CITEREFEvans2023" class="citation web cs1">Evans, Mark (2023-10-26). <a rel="nofollow" class="external text" href="https://www.scubadivermag.com/body-of-chinese-cave-diver-han-ting-recovered/">"Body of Chinese cave diver Han Ting recovered"</a>. <i>Scuba Diver Mag</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-07-22</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Scuba+Diver+Mag&rft.atitle=Body+of+Chinese+cave+diver+Han+Ting+recovered&rft.date=2023-10-26&rft.aulast=Evans&rft.aufirst=Mark&rft_id=https%3A%2F%2Fwww.scubadivermag.com%2Fbody-of-chinese-cave-diver-han-ting-recovered%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> <li id="cite_note-Divernet20231027-99"><span class="mw-cite-backlink">^ <a href="#cite_ref-Divernet20231027_99-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Divernet20231027_99-1"><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="CITEREFWeinman2023" class="citation web cs1">Weinman, Steve (2023-10-27). <a rel="nofollow" class="external text" href="https://divernet.com/scuba-news/health-safety/body-found-in-search-for-chinese-cave-diver/">"Body found in search for Chinese cave-diver"</a>. <i>Divernet</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-07-22</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Divernet&rft.atitle=Body+found+in+search+for+Chinese+cave-diver&rft.date=2023-10-27&rft.aulast=Weinman&rft.aufirst=Steve&rft_id=https%3A%2F%2Fdivernet.com%2Fscuba-news%2Fhealth-safety%2Fbody-found-in-search-for-chinese-cave-diver%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading3"><h3 id="Footnotes">Footnotes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=12" title="Edit section: Footnotes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">All depths specified for sea water. Fractionally deeper depths may apply in relation to freshwater due to its lower density.</span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text">Oxygen toxicity depends upon a combination of partial pressure and time of exposure, individual physiology, and other factors not fully understood. <a href="/wiki/National_Oceanic_and_Atmospheric_Administration" title="National Oceanic and Atmospheric Administration">NOAA</a> recommends that divers do not expose themselves to breathing oxygen at greater than 1.6 bar <a href="/wiki/Partial_pressure" title="Partial pressure">p</a><a href="/wiki/Oxygen" title="Oxygen">O<sub>2</sub></a>, which occurs at 66 metres (217 ft) when breathing air.</span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text">Assuming crystal clear water; surface light may disappear completely at much shallower depths in murky conditions. Minimal visibility is still possible far deeper. Deep sea explorer <a href="/wiki/William_Beebe" title="William Beebe">William Beebe</a> reported seeing blueness, not blackness, at 1400 feet (424 metres). "I peered down and again I felt the old longing to go farther, although it looked like the black pit-mouth of hell itself—yet still showed blue." (William Beebe, "A Round Trip to Davey Jones's Locker", The National Geographic Magazine, June 1931, p. 660.)</span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text">Statistics exclude military divers (classified), and commercial divers (commercial diving to those depths on scuba is not permitted by occupational health and safety legislation). In 1989, the <a href="/wiki/United_States_Navy_Experimental_Diving_Unit" title="United States Navy Experimental Diving Unit">US Navy Experimental Diving Unit</a> published a <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080921213730/http://archive.rubicon-foundation.org/7423">paper</a> that included a section on results from tests on the use of <a href="/wiki/Diving_rebreather" title="Diving rebreather">rebreathers</a> at 850 ft (259 m).</span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text">In 2007 a <a href="/wiki/Turkish_Naval_Forces" title="Turkish Naval Forces">Turkish Navy</a><sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (August 2024)">clarification needed</span></a></i>]</sup> diver dived with a <a href="/wiki/Diving_rebreather#Closed_circuit_mixed_gas_rebreathers" title="Diving rebreather">closed-circuit rebreather</a> to a depth of 998 feet (304 m) off the coast of <a href="/wiki/Cyprus" title="Cyprus">Cyprus</a>, but that dive has not been independently verified. His dive was aborted due to equipment failure. It was a Turkish Navy experimental dive.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2009)">citation needed</span></a></i>]</sup></span> </li> <li id="cite_note-died-44"><span class="mw-cite-backlink">^ <a href="#cite_ref-died_44-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-died_44-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-died_44-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-died_44-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-died_44-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-died_44-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-died_44-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-died_44-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-died_44-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-died_44-9"><sup><i><b>j</b></i></sup></a></span> <span class="reference-text">Subsequently died during diving accident.</span> </li> <li id="cite_note-convert-79"><span class="mw-cite-backlink"><b><a href="#cite_ref-convert_79-0">^</a></b></span> <span class="reference-text">As given in the references. <a href="/wiki/Metre_sea_water" title="Metre sea water">Metre sea water</a> and <a href="/wiki/Feet_sea_water" class="mw-redirect" title="Feet sea water">feet sea water</a>, as well as metre/feet fresh water are actually units of <i>pressure</i>. A conversion to the true depth would require information about the water's <a href="/wiki/Density" title="Density">density</a> (dependent on temperature and – if applicable – <a href="/wiki/Salinity" title="Salinity">salinity</a>). Depth in metres and feet if measured by a <a href="/wiki/Diving_shot" title="Diving shot">shot line</a>.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Deep_diving&action=edit&section=13" title="Edit section: Further reading"><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="CITEREFGilliam1995" class="citation book cs1">Gilliam, Bret (1995). <i>Deep Diving: An Advanced Guide to Physiology, Procedures & Systems</i> (2nd ed.). Watersports Books. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-922769-31-1" title="Special:BookSources/0-922769-31-1"><bdi>0-922769-31-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Deep+Diving%3A+An+Advanced+Guide+to+Physiology%2C+Procedures+%26+Systems&rft.edition=2nd&rft.pub=Watersports+Books&rft.date=1995&rft.isbn=0-922769-31-1&rft.aulast=Gilliam&rft.aufirst=Bret&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADeep+diving" 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=Deep_diving&action=edit&section=14" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=p24wxGo0otg"><span class="plainlinks">"<i>Dave Not Coming Back</i> directed by Johan Malak"</span></a> on <a href="/wiki/YouTube_video_(identifier)" class="mw-redirect" title="YouTube video (identifier)">YouTube</a></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 dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul 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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 mw-collapsed 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 href="/wiki/Decompression_equipment" title="Decompression equipment">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 href="/wiki/Decompression_equipment" title="Decompression equipment">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 uncollapsed 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 class="mw-selflink selflink">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_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_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 class="mw-selflink selflink">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" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Underwater_diving" title="Category:Underwater diving">Category</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><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" /></span></span> <b><a href="https://commons.wikimedia.org/wiki/Category:Underwater_diving" class="extiw" title="commons:Category:Underwater diving">Commons</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Glossary_of_underwater_diving_terminology" title="Glossary of underwater diving terminology">Glossary</a></b></li> <li><b>Indexes: <a href="/wiki/Index_of_recreational_dive_sites" title="Index of recreational dive sites">Dive sites</a></b></li> <li><b><a href="/wiki/Index_of_underwater_divers" title="Index of underwater divers">Divers</a></b></li> <li><b><a href="/wiki/Index_of_underwater_diving" title="Index of underwater diving">Diving</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Outline"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Global_thinking.svg/10px-Global_thinking.svg.png" decoding="async" width="10" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Global_thinking.svg/15px-Global_thinking.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/Global_thinking.svg/21px-Global_thinking.svg.png 2x" data-file-width="130" data-file-height="200" /></span></span> <b><a href="/wiki/Outline_of_underwater_diving" title="Outline of underwater diving">Outline</a></b></li> <li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Symbol_portal_class.svg" class="mw-file-description" title="Portal"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/16px-Symbol_portal_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/23px-Symbol_portal_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/31px-Symbol_portal_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span> <b><a href="/wiki/Portal:Underwater_diving" title="Portal:Underwater diving">Portal</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q281975#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q281975#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q281975#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" 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