{"id":11491566,"date":"2026-08-12T10:54:40","date_gmt":"2026-08-12T08:54:40","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/yakovlev-yak-141-freestyle\/"},"modified":"2026-08-12T11:13:07","modified_gmt":"2026-08-12T09:13:07","slug":"yakovlev-yak-141-freestyle","status":"publish","type":"post","link":"https:\/\/migflug.com\/jetflights\/yakovlev-yak-141-freestyle\/","title":{"rendered":"Soviet Supersonic Jump Jet Hidden Inside the F-35B"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style><p>On a carrier deck in the northern autumn of 1991, a fighter unlike anything in the West rose straight up on pillars of flame, rotated its tail nozzle back to level, and accelerated away past the speed of sound. This was the Yakovlev Yak-141, NATO codename Freestyle: the world's first supersonic vertical-takeoff fighter, and a machine the collapsing Soviet Union could no longer afford.<\/p><p>The Freestyle was meant to replace the mediocre Yak-38 Forger. Where the Forger was slow and short-legged, the Yak-141 was built to fight: a single Tumansky R-79V-300 turbofan with a swivelling rear nozzle for thrust and cruise, plus two dedicated RD-41 lift jets tucked behind the cockpit to hoist the nose during vertical work.<\/p>\r\n<div style=\"background:#f5f5f5;padding:20px 24px;margin:24px 0;border-radius:8px\"><p style=\"margin:0 0 10px;font-weight:700;font-size:15px;letter-spacing:.04em;color:#5C91FF\">QUICK FACTS<\/p><table style=\"width:100%;border-collapse:collapse;font-size:15px\"><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Type<\/td><td style=\"padding:6px 0;color:#444\">Supersonic VTOL fleet-defence fighter<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">First flight<\/td><td style=\"padding:6px 0;color:#444\">9 March 1987 (first hover 1989)<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Powerplant<\/td><td style=\"padding:6px 0;color:#444\">1 x R-79V-300 vectoring turbofan + 2 x RD-41 lift jets<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Top speed<\/td><td style=\"padding:6px 0;color:#444\">~1,800 km\/h (Mach 1.7)<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Number built<\/td><td style=\"padding:6px 0;color:#444\">4 prototypes<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Records<\/td><td style=\"padding:6px 0;color:#444\">12 world records for its class<\/td><\/tr><tr><td style=\"padding:6px 14px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Fate<\/td><td style=\"padding:6px 0;color:#444\">Cancelled 1991; nozzle tech influenced the F-35B<\/td><\/tr><\/table><\/div>\r\n<h2 style=\"padding-top:22px\">Three engines, twelve records<\/h2><p>That layout gave the aircraft three engines in total, digitally controlled, with puffer jets at the wingtips and nose for balance in the hover. It first flew conventionally in March 1987, first hovered in December 1989, and made its first full transition from vertical to horizontal flight in June 1990. Along the way it set a dozen world records for its class.<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/EjsKXZIsyPU\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p>Then the money ran out. After a hard landing ruptured a fuel tank aboard the carrier in October 1991, the aircraft caught fire and the pilot ejected. Weeks later the cash-starved program was suspended for good, with only four prototypes ever built.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=2131201798  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/yakovlev-yak-141-freestyle-1.jpg\" alt=\"Yak-141 at the 1992 Farnborough Airshow\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The surviving Yak-141 on show at Farnborough in 1992, months before Yakovlev partnered with Lockheed. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">A second life in the West<\/h2><p>Here the story takes its famous turn. With the Soviet Union gone, Yakovlev needed hard currency, and Lockheed needed VTOL know-how for the American Joint Strike Fighter contest. The two signed a partnership, and the surviving Freestyle was paraded at Farnborough in 1992.<\/p>\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;The swiveling rear exhaust is a licensed design from the Yakovlev design bureau in Russia, which tried it out on the Yak-141 STOVL fighter.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Air Force Magazine, 1998<\/strong> &mdash; US aviation publication (via Task & Purpose)<\/div><\/div><\/div>\r\n<p>The swivelling three-bearing exhaust nozzle that the Yak-141 pioneered found echoes in Lockheed's X-35, the aircraft that became the F-35B. The F-35 is emphatically not a copy, and it uses a shaft-driven lift fan rather than lift jets, but the Russian data mattered.<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/EQeI-OjN6wQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p>Today two Freestyles survive in Russian museums, olive-and-grey ghosts of a jet that was too advanced for the country that built it, and quietly influential in the country that beat it to the punch.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=387034878  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/yakovlev-yak-141-freestyle-2.jpg\" alt=\"Yak-141 preserved at the Central Air Force Museum\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A Yak-141 preserved at Russia\u2019s Central Air Force Museum. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;The F-35 owes at least part of its existence to a Soviet-era weapons program that never truly took flight.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Brad Howard<\/strong> &mdash; writer, Task & Purpose<\/div><\/div><\/div>\r\n<p>How a cancelled Soviet jump jet ended up shaping the F-35B:<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/JaDFtezHVzE\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p><em>Sources: Task & Purpose; Air Force Magazine (1998); Wikipedia.<\/em><\/p>\r\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px;border-radius:0 8px 8px 0\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/yakovlev-yak-38-forger-soviet-vtol\/\">The Soviet Jump Jet That Could Barely Jump<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/rockwell-xfv-12-vtol-fighter-that-couldnt-hover\/\">The VTOL Fighter That Couldn\u2019t Lift Itself<\/a><\/p><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>On a carrier deck in the northern autumn of 1991, a fighter unlike anything in the West rose straight up on pillars of flame, rotated its tail nozzle back to level, and accelerated away past the speed of sound. This was the Yakovlev Yak-141, NATO codename Freestyle: the world&#8217;s first supersonic vertical-takeoff fighter, and a [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":11491578,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[664],"tags":[],"class_list":["post-11491566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-military-aviation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Yak-141 Freestyle: Soviet Supersonic Jump Jet<\/title>\n<meta name=\"description\" content=\"The Yak-141 Freestyle was the Soviet supersonic VTOL fighter whose vectoring-nozzle tech helped shape the F-35B. 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