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mw-first-heading"><span class="mw-page-title-main">McDonnell XH-20 Little Henry</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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style="width:25.5em;border-spacing:2px;"> <tbody><tr> <th colspan="2" style="text-align: center; font-size: 125%;">XH-20 Little Henry </th></tr> <tr> <td colspan="2" style="text-align: center;"><span typeof="mw:File"><a href="/wiki/File:McDonnell_XH-20_in_flight.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/McDonnell_XH-20_in_flight.jpg/300px-McDonnell_XH-20_in_flight.jpg" decoding="async" width="300" height="235" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/McDonnell_XH-20_in_flight.jpg/450px-McDonnell_XH-20_in_flight.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/2/24/McDonnell_XH-20_in_flight.jpg 2x" data-file-width="550" data-file-height="430" /></a></span> </td></tr> <tr> <th>Role </th> <td><a href="/wiki/Experimental_aircraft" title="Experimental aircraft">Experimental</a> <a href="/wiki/Ramjet" title="Ramjet">ramjet</a>-rotor powered <a href="/wiki/Helicopter" title="Helicopter">helicopter</a><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Type of aircraft</div> </td></tr> <tr> <th><span class="nowrap">National origin</span> </th> <td>United States </td></tr> <tr> <th>Manufacturer </th> <td><a href="/wiki/McDonnell_Aircraft" class="mw-redirect" title="McDonnell Aircraft">McDonnell Aircraft</a> </td></tr> <tr> <th>First flight </th> <td>29 August 1947 </td></tr> <tr> <th>Primary user </th> <td><a href="/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a> </td></tr> <tr> <th><span class="nowrap">Number built</span> </th> <td>2 </td></tr> </tbody></table> <p>The <b>McDonnell XH-20 Little Henry</b> is a 1940s <a href="/wiki/United_States" title="United States">American</a> <a href="/wiki/Experimental_aircraft" title="Experimental aircraft">experimental</a> lightweight <a href="/wiki/Helicopter" title="Helicopter">helicopter</a> designed and built by <a href="/wiki/McDonnell_Aircraft" class="mw-redirect" title="McDonnell Aircraft">McDonnell Aircraft</a>.<sup id="cite_ref-Boeing_1-0" class="reference"><a href="#cite_note-Boeing-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Development">Development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=McDonnell_XH-20_Little_Henry&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <b>McDonnell Model 38</b> was a lightweight experimental helicopter sponsored by the United States Army Air Force to test the concept of using small <a href="/wiki/Ramjet" title="Ramjet">ramjets</a> at the tips of the rotor blades.<sup id="cite_ref-Boeing_1-1" class="reference"><a href="#cite_note-Boeing-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> As a functional helicopter it was a simple open-frame steel-tube construction.<sup id="cite_ref-Boeing_1-2" class="reference"><a href="#cite_note-Boeing-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Allotted the military designation <b>XH-20</b> the first of two first flew on the 29 August 1947.<sup id="cite_ref-Boeing_1-3" class="reference"><a href="#cite_note-Boeing-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Although the XH-20 flew successfully the ramjets were noisy and burnt a large amount of fuel and plans to build a larger two-seat XH-29 were abandoned. </p> <div class="mw-heading mw-heading2"><h2 id="Variants">Variants</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=McDonnell_XH-20_Little_Henry&action=edit&section=2" title="Edit section: Variants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Data from:</i> U.S.Military Aircraft Designations and Serials since 1909<sup id="cite_ref-Andrade_2-0" class="reference"><a href="#cite_note-Andrade-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <dl><dt>Model 38 XH-20 Little Henry</dt> <dd>experimental lightweight helicopter, two built.</dd> <dt>Model 79 XH-29 Big Henry</dt> <dd>proposed two-seat <a href="/wiki/Ramjet" title="Ramjet">ramjet</a>-powered development, canceled.<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></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Operator">Operator</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=McDonnell_XH-20_Little_Henry&action=edit&section=3" title="Edit section: Operator"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/23px-Flag_of_the_United_States_%2823px%29.png" decoding="async" width="23" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/35px-Flag_of_the_United_States_%2823px%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/46px-Flag_of_the_United_States_%2823px%29.png 2x" data-file-width="69" data-file-height="39" /></span></span> </span><a href="/wiki/United_States" title="United States">United States</a></dt></dl> <ul><li><a href="/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Aircraft_on_display">Aircraft on display</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=McDonnell_XH-20_Little_Henry&action=edit&section=4" title="Edit section: Aircraft on display"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:McDonnell_XH-20.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/McDonnell_XH-20.jpg/220px-McDonnell_XH-20.jpg" decoding="async" width="220" height="135" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/McDonnell_XH-20.jpg/330px-McDonnell_XH-20.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/McDonnell_XH-20.jpg/440px-McDonnell_XH-20.jpg 2x" data-file-width="1800" data-file-height="1103" /></a><figcaption>XH-20 at the NMUSAF</figcaption></figure> <ul><li><i>46-689</i> the first XH-20 is on display at the <a href="/wiki/National_Museum_of_the_United_States_Air_Force" title="National Museum of the United States Air Force">National Museum of the United States Air Force</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Specifications">Specifications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=McDonnell_XH-20_Little_Henry&action=edit&section=5" title="Edit section: Specifications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p style="font-size: 90%; margin:0;"><i>Data from</i> <sup id="cite_ref-Boeing_1-4" class="reference"><a href="#cite_note-Boeing-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></p><p><span style="font-size:120%"><b>General characteristics</b></span> </p><ul><li><b>Crew:</b> 1</li> <li><b>Length:</b> 12 ft 6 in (3.81 m)</li> <li><b>Height:</b> 6 ft 8 in (2.03 m)</li> <li><b>Empty weight:</b> 290 lb (132 kg)</li> <li><b>Powerplant:</b> 2 × McDonnell Ramjets</li> <li><b>Main rotor diameter:</b> 20 ft (6.1 m)</li></ul> <p><span style="font-size:120%"><b>Performance</b></span> </p> <ul><li><b>Maximum speed:</b> 50 mph (80 km/h, 43 kn)</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=McDonnell_XH-20_Little_Henry&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p> <b>Aircraft of comparable role, configuration, and era</b> </p> <ul><li><a href="/wiki/Fairey_Ultra-light_Helicopter" title="Fairey Ultra-light Helicopter">Fairey Ultra-light Helicopter</a></li> <li><a href="/wiki/Hiller_YH-32_Hornet" title="Hiller YH-32 Hornet">Hiller YH-32 Hornet</a></li> <li><a href="/wiki/Sud-Ouest_Djinn" class="mw-redirect" title="Sud-Ouest Djinn">Sud-Ouest Djinn</a></li></ul> <p> <b>Related lists</b> </p> <ul><li><a href="/wiki/List_of_military_aircraft_of_the_United_States" class="mw-redirect" title="List of military aircraft of the United States">List of military aircraft of the United States</a></li> <li><a href="/wiki/List_of_single_seat_helicopters" title="List of single seat helicopters">List of single seat helicopters</a></li></ul> <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=McDonnell_XH-20_Little_Henry&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Category:McDonnell_XH-20" class="extiw" title="commons:Category:McDonnell XH-20">McDonnell XH-20</a> at Wikimedia Commons </p> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Boeing-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Boeing_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Boeing_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Boeing_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Boeing_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Boeing_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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20091217235741/http://www.boeing.com/history/mdc/littlehenry.htm">"XH-20 Little Henry Research Helicopter"</a>. <a href="/wiki/Boeing" title="Boeing">Boeing</a>. Archived from <a rel="nofollow" class="external text" href="http://www.boeing.com/history/mdc/littlehenry.htm">the original</a> on 2009-12-17<span class="reference-accessdate">. Retrieved <span class="nowrap">2009-12-20</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=XH-20+Little+Henry+Research+Helicopter&rft.pub=Boeing&rft_id=http%3A%2F%2Fwww.boeing.com%2Fhistory%2Fmdc%2Flittlehenry.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMcDonnell+XH-20+Little+Henry" class="Z3988"></span></span> </li> <li id="cite_note-Andrade-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Andrade_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAndrade1979" class="citation book cs1">Andrade, John (1979). <i>U.S.Military Aircraft Designations and Serials since 1909</i>. Midland Counties Publications. pp. 119–121. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-904597-22-9" title="Special:BookSources/0-904597-22-9"><bdi>0-904597-22-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=U.S.Military+Aircraft+Designations+and+Serials+since+1909&rft.pages=119-121&rft.pub=Midland+Counties+Publications&rft.date=1979&rft.isbn=0-904597-22-9&rft.aulast=Andrade&rft.aufirst=John&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMcDonnell+XH-20+Little+Henry" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</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://aviationarchives.net/McDonnell%20Project%20Numbers%20Lists.pdf">"McDonnell Model Numbers"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/McDonnell_Douglas" title="McDonnell Douglas">McDonnell Douglas</a>. July 1, 1974<span class="reference-accessdate">. Retrieved <span class="nowrap">September 3,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=McDonnell+Model+Numbers&rft.pub=McDonnell+Douglas&rft.date=1974-07-01&rft_id=http%3A%2F%2Faviationarchives.net%2FMcDonnell%2520Project%2520Numbers%2520Lists.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMcDonnell+XH-20+Little+Henry" class="Z3988"></span></span> </li> </ol></div></div> <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 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title="McDonnell Douglas MD-80">MD-81</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-80" title="McDonnell Douglas MD-80">MD-82</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-80" title="McDonnell Douglas MD-80">MD-83</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-80" title="McDonnell Douglas MD-80">MD-87</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-80" title="McDonnell Douglas MD-80">MD-88</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-90" title="McDonnell Douglas MD-90">MD-90</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-94X" title="McDonnell Douglas MD-94X">MD-91X</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-94X" title="McDonnell Douglas MD-94X">MD-92X</a></li> <li><a href="/wiki/McDonnell_Douglas_MD-94X" title="McDonnell Douglas MD-94X">MD-94X</a></li> <li><a href="/wiki/Boeing_717" title="Boeing 717">MD-95</a></li></ul> <ul><li><a href="/wiki/Br%C3%A9guet_941" title="Bréguet 941">Model 188E</a></li> <li><a href="/wiki/Br%C3%A9guet_941" title="Bréguet 941">Model 210</a></li></ul> <ul><li><a href="/wiki/McDonnell_Douglas_High_Speed_Civil_Transport" title="McDonnell Douglas High Speed Civil Transport">High Speed Civil Transport</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;"><a href="/wiki/Business_jet" title="Business jet">Business jets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_119" title="McDonnell 119">Model 119/220</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/Fighter_aircraft" title="Fighter aircraft">Fighters</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;"><a href="/wiki/United_States_Army_Air_Forces" title="United States Army Air Forces">USAAF</a> / <a href="/wiki/United_States_Air_Force" title="United States Air Force">US Air Force</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_XP-67" title="McDonnell XP-67">XP-67</a></li> <li><a href="/wiki/McDonnell_XF-85_Goblin" title="McDonnell XF-85 Goblin">XF-85 Goblin</a></li> <li><a href="/wiki/McDonnell_XF-88_Voodoo" title="McDonnell XF-88 Voodoo">XF-88 Voodoo</a></li> <li><a href="/wiki/McDonnell_F-101_Voodoo" title="McDonnell F-101 Voodoo">F-101 Voodoo</a></li> <li><a href="/wiki/McDonnell_Douglas_F-4_Phantom_II" title="McDonnell Douglas F-4 Phantom II">F-110 Spectre</a></li> <li><a href="/wiki/McDonnell_Douglas_F-4_Phantom_II" title="McDonnell Douglas F-4 Phantom II">F-4 Phantom II</a></li> <li><a href="/wiki/McDonnell_Douglas_F-15_Eagle" title="McDonnell Douglas F-15 Eagle">F-15 Eagle</a></li> <li><a href="/wiki/McDonnell_Douglas_F-15E_Strike_Eagle" title="McDonnell Douglas F-15E Strike Eagle">F-15E Strike Eagle</a></li> <li><a href="/wiki/Boeing_F-15EX_Eagle_II" title="Boeing F-15EX Eagle II">F-15EX Eagle II</a></li> <li><a href="/wiki/Northrop_YF-23" title="Northrop YF-23">Northrop YF-23</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;"><a href="/wiki/United_States_Navy" title="United States Navy">US Navy</a> / <a href="/wiki/United_States_Marine_Corps" title="United States Marine Corps">USMC</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_FH_Phantom" title="McDonnell FH Phantom">FH Phantom</a></li> <li><a href="/wiki/McDonnell_F2H_Banshee" title="McDonnell F2H Banshee">F2H Banshee</a></li> <li><a href="/wiki/McDonnell_F3H_Demon" title="McDonnell F3H Demon">F3H Demon</a></li> <li><a href="/wiki/McDonnell_Douglas_F-4_Phantom_II" title="McDonnell Douglas F-4 Phantom II">F-4 Phantom II</a></li> <li><a href="/wiki/McDonnell_Douglas_F/A-18_Hornet" title="McDonnell Douglas F/A-18 Hornet">F/A-18 Hornet</a></li> <li><a href="/wiki/Boeing_F/A-18E/F_Super_Hornet" title="Boeing F/A-18E/F Super Hornet">F/A-18E/F Super Hornet</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Export</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_Douglas_F-4_Phantom_II_in_Australian_service" title="McDonnell Douglas F-4 Phantom II in Australian service">F-4E Phantom (RAAF)</a></li> <li><a href="/wiki/McDonnell_Douglas_Phantom_in_UK_service" title="McDonnell Douglas Phantom in UK service">F-4K Phantom · F-4M Phantom · F-4J(UK) Phantom</a></li> <li><a href="/wiki/McDonnell_Douglas_CF-18_Hornet" title="McDonnell Douglas CF-18 Hornet">CF-18 / CF-188 Hornet</a></li> <li><a href="/wiki/McDonnell_Douglas_F/A-18_Hornet_in_Australian_service" title="McDonnell Douglas F/A-18 Hornet in Australian service">F/A-18A/B Hornet (RAAF)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Licensed</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mitsubishi_F-15J" title="Mitsubishi F-15J">F-15J Eagle</a> (Mitsubishi)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Attack_aircraft" title="Attack aircraft">Attack</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;">US Navy / USMC</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Douglas_A-4_Skyhawk" title="Douglas A-4 Skyhawk">A-4 Skyhawk</a></li> <li><a href="/wiki/McDonnell_Douglas_AV-8B_Harrier_II" title="McDonnell Douglas AV-8B Harrier II">AV-8B Harrier II</a></li> <li><a href="/wiki/McDonnell_Douglas_A-12_Avenger_II" title="McDonnell Douglas A-12 Avenger II">A-12 Avenger II</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Export</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_Douglas_A-4G_Skyhawk" title="McDonnell Douglas A-4G Skyhawk">A-4G Skyhawk</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/Trainer_aircraft" title="Trainer aircraft">Trainers</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="US_Navy" scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Navy</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_Douglas_T-45_Goshawk" title="McDonnell Douglas T-45 Goshawk">T-45 Goshawk</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/Military_transport_aircraft" title="Military transport aircraft">Transports</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;">US Air Force</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_119" title="McDonnell 119">Model 119</a></li> <li><a href="/wiki/McDonnell_Douglas_C-9" title="McDonnell Douglas C-9">C-9 Nightingale</a></li> <li><a href="/wiki/McDonnell_Douglas_KC-10_Extender" title="McDonnell Douglas KC-10 Extender">KC-10 Extender</a></li> <li><a href="/wiki/McDonnell_Douglas_YC-15" title="McDonnell Douglas YC-15">YC-15</a></li> <li><a href="/wiki/Boeing_C-17_Globemaster_III" title="Boeing C-17 Globemaster III">C-17 Globemaster III</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Navy</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_Douglas_C-9" title="McDonnell Douglas C-9">C-9 Skytrain II</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Licensed</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Br%C3%A9guet_941" title="Bréguet 941">Model 188</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/Military_helicopter" title="Military helicopter">Helicopters</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;">US Army / US Air Force</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">XH-20 Little Henry</a></li> <li><a href="/wiki/Boeing_AH-64_Apache" title="Boeing AH-64 Apache">AH-64 Apache</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Navy</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_XHJH_Whirlaway" title="McDonnell XHJH Whirlaway">XHJH Whirlaway</a></li> <li><a href="/wiki/McDonnell_XHCH" title="McDonnell XHCH">XHCH</a></li> <li><a href="/wiki/McDonnell_HRH" title="McDonnell HRH">XHRH</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_120_Flying_Crane" title="McDonnell 120 Flying Crane">Model 120 Flying Crane</a></li> <li><a href="/wiki/McDonnell_Douglas_MD_500_Defender" title="McDonnell Douglas MD 500 Defender">MD500 Defender</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/Unmanned_aerial_vehicle" title="Unmanned aerial vehicle">Drones (UAVs)</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;">US Air Force</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ADM-20_Quail" title="ADM-20 Quail">ADM-20 Quail</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Navy</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_TD2D_Katydid" title="McDonnell TD2D Katydid">KDH Katydid</a></li> <li><a href="/wiki/LBD_Gargoyle" title="LBD Gargoyle">KUD</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Project_AQUILINE" title="Project AQUILINE">Aquiline</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/Experimental_aircraft" title="Experimental aircraft">Experimental</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="US_Army_/_US_Air_Force" scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Army / US Air Force</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_XV-1" title="McDonnell XV-1">XV-1</a></li> <li><a href="/wiki/McDonnell_Douglas_X-36" title="McDonnell Douglas X-36">X-36</a></li> <li><a href="/wiki/McDonnell_Douglas_F-15_STOL/MTD" title="McDonnell Douglas F-15 STOL/MTD">F-15 STOL/MTD</a></li> <li><a href="/wiki/Boeing_Bird_of_Prey" title="Boeing Bird of Prey">Bird of Prey</a></li> <li><a href="/wiki/McDonnell_Douglas_DC-X" title="McDonnell Douglas DC-X">DC-X</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/Spacecraft" title="Spacecraft">Spacecraft</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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:13.0em;;font-weight:normal;"><a href="/wiki/NASA" title="NASA">NASA</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Project_Mercury" title="Project Mercury">Mercury</a></li> <li><a href="/wiki/Project_Gemini" title="Project Gemini">Gemini</a> <ul><li><a href="/wiki/Manned_Orbiting_Laboratory" title="Manned Orbiting Laboratory">Gemini B</a></li> <li><a href="/wiki/Big_Gemini" title="Big Gemini">Big Gemini</a></li></ul></li> <li><a href="/wiki/Skylab" title="Skylab">Skylab</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:13.0em;;font-weight:normal;">US Air Force</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blue_Gemini" title="Blue Gemini">Blue Gemini</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Model numbers</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/McDonnell_XP-67" title="McDonnell XP-67">2</a></li> <li><a href="/wiki/McDonnell_FH_Phantom" title="McDonnell FH Phantom">11</a></li> <li><a href="/wiki/McDonnell_XP-67" title="McDonnell XP-67">12</a></li> <li><a href="/wiki/McDonnell_XP-67" title="McDonnell XP-67">16</a></li> <li><a href="/wiki/McDonnell_FH_Phantom" title="McDonnell FH Phantom">23</a></li> <li><a href="/wiki/McDonnell_F2H_Banshee" title="McDonnell F2H Banshee">24</a></li> <li><a href="/wiki/LBD_Gargoyle" title="LBD Gargoyle">25</a></li> <li><a href="/wiki/McDonnell_XF-85_Goblin" title="McDonnell XF-85 Goblin">27</a></li> <li><a href="/wiki/McDonnell_TD2D_Katydid" title="McDonnell TD2D Katydid">31</a></li> <li>36 <ul><li><a href="/wiki/McDonnell_XF-88_Voodoo" title="McDonnell XF-88 Voodoo">36–36V</a></li> <li><a href="/wiki/McDonnell_F-101_Voodoo" title="McDonnell F-101 Voodoo">36W–36DH</a></li></ul></li> <li><a href="/wiki/McDonnell_XHJH_Whirlaway" title="McDonnell XHJH Whirlaway">37</a></li> <li><a class="mw-selflink selflink">38</a></li> <li><a href="/wiki/McDonnell_TD2D_Katydid" title="McDonnell TD2D Katydid">50</a></li> <li><a href="/wiki/McDonnell_TD2D_Katydid" title="McDonnell TD2D Katydid">51</a></li> <li><a href="/wiki/McDonnell_F3H_Demon" title="McDonnell F3H Demon">58</a></li> <li><a href="/wiki/McDonnell_XHJH_Whirlaway" title="McDonnell XHJH Whirlaway">61</a></li> <li><a href="/wiki/McDonnell_HRH" title="McDonnell HRH">78</a></li> <li><a class="mw-selflink selflink">79</a></li> <li><a href="/wiki/McDonnell_XV-1" title="McDonnell XV-1">82</a></li> <li><a href="/wiki/RIM-8_Talos" title="RIM-8 Talos">85</a></li> <li><a href="/wiki/McDonnell_XHCH" title="McDonnell XHCH">86</a></li> <li><a href="/wiki/SSM-N-2_Triton" title="SSM-N-2 Triton">95</a></li> <li><a href="/wiki/McDonnell_Douglas_F-4_Phantom_II" title="McDonnell Douglas F-4 Phantom II">98</a></li> <li><a href="/wiki/ADM-20_Quail" title="ADM-20 Quail">107</a></li> <li><a href="/wiki/McDonnell_119" title="McDonnell 119">119</a></li> <li><a href="/wiki/McDonnell_120_Flying_Crane" title="McDonnell 120 Flying Crane">120</a></li> <li><a href="/wiki/AAM-N-10_Eagle" title="AAM-N-10 Eagle">127</a></li> <li>133 <ul><li><a href="/wiki/Project_Mercury" title="Project Mercury">133A–133K</a></li> <li><a href="/wiki/Project_Gemini" title="Project Gemini">133L–133P</a></li> <li><a href="/wiki/Big_Gemini" title="Big Gemini">133Q</a></li></ul></li> <li><a href="/wiki/ASSET_(spacecraft)" title="ASSET (spacecraft)">151</a></li> <li><a href="/wiki/Samos_(satellite)" title="Samos (satellite)">164</a></li> <li><a href="/wiki/Temco_TT_Pinto" title="Temco TT Pinto">182</a></li> <li><a href="/wiki/Temco_TT_Pinto" title="Temco TT Pinto">183</a></li> <li><a href="/wiki/Br%C3%A9guet_941" title="Bréguet 941">188</a></li> <li><a href="/wiki/Project_Isinglass" title="Project Isinglass">192</a></li> <li><a href="/wiki/Manned_Orbiting_Laboratory" title="Manned Orbiting Laboratory">195</a></li> <li><a href="/wiki/McDonnell_Douglas_F-15_Eagle" title="McDonnell Douglas F-15 Eagle">199</a></li> <li><a href="/wiki/Br%C3%A9guet_941" title="Bréguet 941">210</a></li> <li><a href="/wiki/McDonnell_119" title="McDonnell 119">220</a></li> <li><a href="/wiki/Harpoon_(missile)" title="Harpoon (missile)">228</a></li> <li><a href="/wiki/McDonnell_Douglas_AV-8B_Harrier_II" title="McDonnell Douglas AV-8B Harrier II">258</a> <ul><li><a href="/wiki/Hawker_Siddeley_Harrier" title="Hawker Siddeley Harrier">258AP</a></li></ul></li> <li><a href="/wiki/McDonnell_Douglas_F/A-18_Hornet" title="McDonnell Douglas F/A-18 Hornet">267</a></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" aria-labelledby="United_States_helicopter_designations,_Army/Air_Force_and_Tri-Service_systems" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:US_helicopters" title="Template:US helicopters"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:US_helicopters" title="Template talk:US helicopters"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:US_helicopters" title="Special:EditPage/Template:US helicopters"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="United_States_helicopter_designations,_Army/Air_Force_and_Tri-Service_systems" style="font-size:114%;margin:0 4em">United States <a href="/wiki/Helicopter" title="Helicopter">helicopter</a> designations, Army/Air Force and <a href="/wiki/1962_United_States_Tri-Service_aircraft_designation_system" title="1962 United States Tri-Service aircraft designation system">Tri-Service</a> systems</div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Numerical sequence used by USAAC/USAAF/USAF 1941–present; <a href="/wiki/United_States_Army" title="United States Army">U.S. Army</a> 1948–1956 and 1962–present; <a href="/wiki/United_States_Navy" title="United States Navy">U.S. Navy</a> 1962–present</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Army/Air Force sequence<br />(1941–1962)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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%">Prefix R-, 1941–1948</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/Platt-LePage_XR-1" title="Platt-LePage XR-1">R-1</a></li> <li><a href="/wiki/Kellett_KD-1" title="Kellett KD-1">R-2</a></li> <li><a href="/wiki/Kellett_KD-1" title="Kellett KD-1">R-3</a></li> <li><a href="/wiki/Sikorsky_R-4" title="Sikorsky R-4">R-4</a></li> <li><a href="/wiki/Sikorsky_H-5" title="Sikorsky H-5">R-5</a></li> <li><a href="/wiki/Sikorsky_R-6" title="Sikorsky R-6">R-6</a></li> <li><a href="/wiki/Sikorsky_R-6" title="Sikorsky R-6">R-7</a></li> <li><a href="/wiki/Kellett_XR-8" title="Kellett XR-8">R-8</a></li> <li><a href="/wiki/Firestone_XR-9" title="Firestone XR-9">R-9</a></li> <li><a href="/wiki/Kellett_XR-10" title="Kellett XR-10">R-10</a></li> <li><a href="/wiki/Rotorcraft_XR-11" title="Rotorcraft XR-11">R-11</a></li> <li><a href="/wiki/Bell_H-12" title="Bell H-12">R-12</a></li> <li><a href="/wiki/Bell_H-13_Sioux" title="Bell H-13 Sioux">R-13</a></li> <li><a href="/wiki/Firestone_XR-14" title="Firestone XR-14">R-14</a></li> <li><a href="/wiki/Bell_XH-15" title="Bell XH-15">R-15</a></li> <li><a href="/wiki/Piasecki_H-16_Transporter" title="Piasecki H-16 Transporter">R-16</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Prefix H-, 1948–1962</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/Sikorsky_H-5" title="Sikorsky H-5">H-5</a></li> <li><a href="/wiki/Sikorsky_R-6" title="Sikorsky R-6">H-6</a></li> <li><a href="/wiki/Firestone_XR-9" title="Firestone XR-9">H-9</a></li> <li><a href="/wiki/Kellett_XR-10" title="Kellett XR-10">H-10</a></li> <li><a href="/wiki/Rotorcraft_XR-11" title="Rotorcraft XR-11">H-11</a></li> <li><a href="/wiki/Bell_H-12" title="Bell H-12">H-12</a></li> <li><a href="/wiki/Bell_H-13_Sioux" title="Bell H-13 Sioux">H-13</a> <ul><li><a href="/wiki/Bell_47J_Ranger" title="Bell 47J Ranger">H-13J</a></li></ul></li> <li><a href="/wiki/Bell_XH-15" title="Bell XH-15">H-15</a></li> <li><a href="/wiki/Piasecki_H-16_Transporter" title="Piasecki H-16 Transporter">H-16</a></li> <li><a href="/wiki/Hughes_XH-17" title="Hughes XH-17">H-17</a></li> <li><a href="/wiki/Sikorsky_S-52" title="Sikorsky S-52">H-18</a></li> <li><a href="/wiki/Sikorsky_H-19_Chickasaw" title="Sikorsky H-19 Chickasaw">H-19</a></li> <li><a class="mw-selflink selflink">H-20</a></li> <li><a href="/wiki/Piasecki_H-21" title="Piasecki H-21">H-21</a></li> <li><a href="/wiki/Kaman_K-225" title="Kaman K-225">H-22</a></li> <li><a href="/wiki/Hiller_OH-23_Raven" title="Hiller OH-23 Raven">H-23</a></li> <li><a href="/wiki/Seibel_S-4" title="Seibel S-4">H-24</a></li> <li><a href="/wiki/Piasecki_HUP_Retriever" title="Piasecki HUP Retriever">H-25</a></li> <li><a href="/wiki/American_Helicopter_XH-26_Jet_Jeep" title="American Helicopter XH-26 Jet Jeep">H-26</a></li> <li><a href="/wiki/Piasecki_H-16_Transporter" title="Piasecki H-16 Transporter">H-27</a></li> <li><a href="/wiki/Hughes_XH-17" title="Hughes XH-17">H-28</a></li> <li><a class="mw-selflink selflink">H-29</a></li> <li><a href="/wiki/McCulloch_MC-4" title="McCulloch MC-4">H-30</a></li> <li><a href="/wiki/Doman_LZ-5" title="Doman LZ-5">H-31</a></li> <li><a href="/wiki/Hiller_YH-32_Hornet" title="Hiller YH-32 Hornet">H-32</a></li> <li><a href="/wiki/Bell_XV-3" title="Bell XV-3">H-33</a></li> <li><a href="/wiki/Sikorsky_H-34" title="Sikorsky H-34">H-34</a></li> <li><a href="/wiki/McDonnell_XV-1" title="McDonnell XV-1">H-35</a></li> <li><span class="tmp-color" style="color:grey">H-36</span><sup><small>1</small></sup></li> <li><a href="/wiki/Sikorsky_CH-37_Mojave" title="Sikorsky CH-37 Mojave">H-37</a></li> <li><span class="tmp-color" style="color:grey">H-38</span><sup><small>1</small></sup></li> <li><a href="/wiki/Sikorsky_XH-39" title="Sikorsky XH-39">H-39</a></li> <li><a href="/wiki/Bell_UH-1_Iroquois" title="Bell UH-1 Iroquois">H-40</a></li> <li><a href="/wiki/Cessna_CH-1_Skyhook" title="Cessna CH-1 Skyhook">H-41</a></li> <li><a href="/wiki/Hughes_TH-55_Osage" title="Hughes TH-55 Osage">H-42</a></li> <li><a href="/wiki/Kaman_HH-43_Huskie" title="Kaman HH-43 Huskie">H-43</a></li> <li><span class="tmp-color" style="color:grey">H-44</span><sup><small>1</small></sup></li> <li><span class="tmp-color" style="color:grey">H-45</span><sup><small>1</small></sup></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/1962_United_States_Tri-Service_aircraft_designation_system" title="1962 United States Tri-Service aircraft designation system">Tri-Service sequence</a><br />(1962–present)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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%">1962 redesignations</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/Bell_H-13_Sioux" title="Bell H-13 Sioux">H-13</a> <ul><li><a href="/wiki/Bell_201" title="Bell 201">H-13F</a></li> <li><a href="/wiki/Bell_47J_Ranger" title="Bell 47J Ranger">H-13J</a></li></ul></li> <li><a href="/wiki/Sikorsky_H-19_Chickasaw" title="Sikorsky H-19 Chickasaw">H-19</a></li> <li><a href="/wiki/Piasecki_H-21" title="Piasecki H-21">H-21</a></li> <li><a href="/wiki/Hiller_OH-23_Raven" title="Hiller OH-23 Raven">H-23</a></li> <li><a href="/wiki/Piasecki_HUP_Retriever" title="Piasecki HUP Retriever">H-25</a></li> <li><a href="/wiki/Sikorsky_H-34" title="Sikorsky H-34">H-34</a></li> <li><a href="/wiki/Sikorsky_CH-37_Mojave" title="Sikorsky CH-37 Mojave">H-37</a></li> <li><a href="/wiki/Kaman_HH-43_Huskie" title="Kaman HH-43 Huskie">H-43</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">New designations</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/Boeing_Vertol_CH-46_Sea_Knight" title="Boeing Vertol CH-46 Sea Knight">H-46</a></li> <li><a href="/wiki/Boeing_CH-47_Chinook" title="Boeing CH-47 Chinook">H-47</a></li> <li><a href="/wiki/Bell_UH-1_Iroquois" title="Bell UH-1 Iroquois">H-48</a></li> <li><a href="/wiki/Boeing_Vertol_CH-46_Sea_Knight" title="Boeing Vertol CH-46 Sea Knight">H-49</a></li> <li><a href="/wiki/Gyrodyne_QH-50_DASH" title="Gyrodyne QH-50 DASH">H-50</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">H-51</a></li> <li><a href="/wiki/Sikorsky_HH-52_Seaguard" title="Sikorsky HH-52 Seaguard">H-52</a></li> <li>H-53 <ul><li><a href="/wiki/Sikorsky_CH-53_Sea_Stallion" title="Sikorsky CH-53 Sea Stallion">CH-53</a>/<a href="/wiki/Sikorsky_CH-53E_Super_Stallion" title="Sikorsky CH-53E Super Stallion">E</a>/<a href="/wiki/Sikorsky_CH-53K_King_Stallion" title="Sikorsky CH-53K King Stallion">K</a></li> <li><a href="/wiki/Sikorsky_MH-53" title="Sikorsky MH-53">HH-53/MH-53</a></li></ul></li> <li><a href="/wiki/Sikorsky_CH-54_Tarhe" title="Sikorsky CH-54 Tarhe">H-54</a></li> <li><a href="/wiki/Hughes_TH-55_Osage" title="Hughes TH-55 Osage">H-55</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">H-56</a></li> <li><a href="/wiki/Bell_206" title="Bell 206">H-57</a></li> <li><a href="/wiki/Bell_OH-58_Kiowa" title="Bell OH-58 Kiowa">H-58</a></li> <li><a href="/wiki/Sikorsky_S-69" title="Sikorsky S-69">H-59</a></li> <li>H-60 <ul><li><a href="/wiki/Sikorsky_UH-60_Black_Hawk" title="Sikorsky UH-60 Black Hawk">UH-60</a></li> <li><a href="/wiki/Sikorsky_SH-60_Seahawk" title="Sikorsky SH-60 Seahawk">SH-60</a></li> <li><a href="/wiki/Sikorsky_HH-60_Pave_Hawk" title="Sikorsky HH-60 Pave Hawk">HH-60</a></li> <li><a href="/wiki/Sikorsky_MH-60_Jayhawk" title="Sikorsky MH-60 Jayhawk">MH-60</a></li></ul></li> <li><a href="/wiki/Boeing_Vertol_YUH-61" title="Boeing Vertol YUH-61">H-61</a></li> <li><a href="/wiki/Boeing_Vertol_XCH-62" title="Boeing Vertol XCH-62">H-62</a></li> <li><a href="/wiki/Bell_YAH-63" title="Bell YAH-63">H-63</a></li> <li><a href="/wiki/Boeing_AH-64_Apache" title="Boeing AH-64 Apache">H-64</a></li> <li><a href="/wiki/Eurocopter_MH-65_Dolphin" title="Eurocopter MH-65 Dolphin">H-65</a></li> <li><a href="/wiki/Boeing%E2%80%93Sikorsky_RAH-66_Comanche" title="Boeing–Sikorsky RAH-66 Comanche">H-66</a></li> <li><a href="/wiki/Bell_206" title="Bell 206">H-67</a></li> <li><a href="/wiki/AgustaWestland_AW109" title="AgustaWestland AW109">H-68</a></li> <li><span class="tmp-color" style="color:grey">H-69</span><sup><small>1</small></sup></li> <li><a href="/wiki/Bell_ARH-70_Arapaho" title="Bell ARH-70 Arapaho">H-70</a></li> <li><a href="/wiki/Lockheed_Martin_VH-71_Kestrel" title="Lockheed Martin VH-71 Kestrel">H-71</a></li> <li><a href="/wiki/Eurocopter_UH-72_Lakota" title="Eurocopter UH-72 Lakota">H-72</a></li> <li><a href="/wiki/AgustaWestland_AW119_Koala" title="AgustaWestland AW119 Koala">H-73</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Alternate sequence</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/Bell_Huey_family" title="Bell Huey family">H-1</a> <ul><li><a href="/wiki/Bell_AH-1_Cobra" title="Bell AH-1 Cobra">AH-1</a>/<a href="/wiki/Bell_AH-1_SuperCobra" title="Bell AH-1 SuperCobra">J/T/W</a>/<a href="/wiki/Bell_AH-1Z_Viper" title="Bell AH-1Z Viper">Z</a></li> <li><a href="/wiki/Bell_UH-1_Iroquois" title="Bell UH-1 Iroquois">UH-1</a>/<a href="/wiki/Bell_UH-1N_Twin_Huey" title="Bell UH-1N Twin Huey">N</a>/<a href="/wiki/Bell_UH-1Y_Venom" title="Bell UH-1Y Venom">Y</a></li></ul></li> <li><a href="/wiki/Kaman_SH-2_Seasprite" title="Kaman SH-2 Seasprite">H-2</a> <ul><li><a href="/wiki/Kaman_SH-2G_Super_Seasprite" title="Kaman SH-2G Super Seasprite">G</a></li></ul></li> <li>H-3 <ul><li><a href="/wiki/Sikorsky_S-61R" title="Sikorsky S-61R">CH-3/HH-3</a></li> <li><a href="/wiki/Sikorsky_SH-3_Sea_King" title="Sikorsky SH-3 Sea King">SH-3</a></li></ul></li> <li><a href="/wiki/Bell_YOH-4" title="Bell YOH-4">H-4</a></li> <li><a href="/wiki/Fairchild_Hiller_FH-1100" title="Fairchild Hiller FH-1100">H-5</a></li> <li>H-6 <ul><li><a href="/wiki/Boeing_AH-6" title="Boeing AH-6">AH-6</a></li> <li><a href="/wiki/MD_Helicopters_MH-6_Little_Bird" title="MD Helicopters MH-6 Little Bird">MH-6</a></li> <li><a href="/wiki/Hughes_OH-6_Cayuse" title="Hughes OH-6 Cayuse">OH-6</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Non-sequential</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/MD_Helicopters_MD_Explorer" title="MD Helicopters MD Explorer">H-90</a></li> <li><a href="/wiki/Sikorsky_S-92" title="Sikorsky S-92">H-92</a> <ul><li><a href="/wiki/Sikorsky_VH-92_Patriot" title="Sikorsky VH-92 Patriot">CH-92/VH-92</a></li></ul></li> <li><a href="/wiki/Boeing_MH-139_Grey_Wolf" title="Boeing MH-139 Grey Wolf">H-139</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><sup>1</sup> Not assigned</div></td></tr></tbody></table></div>    </div><noscript><img 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