{"id":5906237,"date":"2026-07-17T11:49:12","date_gmt":"2026-07-17T09:49:12","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/?p=5906237"},"modified":"2026-09-04T09:15:32","modified_gmt":"2026-09-04T07:15:32","slug":"convair-kingfish-aereo-spia-della-cia-perso-contro-un-blackbird-da-12-pollici","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/it\/convair-kingfish-cia-spy-plane-lost-to-a-12-blackbird\/","title":{"rendered":"L&#039;aereo spia che perse contro il merlo"},"content":{"rendered":"<p><style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\n<!-- mfsh:top -->\n\n<style>\n.mfsh-trigger{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;margin:0 0 26px;border:2px solid #0F1720;background:#fff;color:#0F1720;font-family:inherit;font-size:14px;font-weight:700;line-height:1;letter-spacing:0;text-transform:none;cursor:pointer;box-shadow:none;transition:background .15s,color 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Almost nobody remembers the aircraft that nearly beat them to the job: Convair\u2019s Kingfish, an angular, radar-dodging spy plane that lost the most important design contest of the Cold War by a whisker, and then vanished from history.<\/p>\r\n<p>Yet the Kingfish may have been the more prophetic design. Two decades before the F-117, its creators were already shaping an aircraft to be invisible to radar \u2014 and that idea would outlive the contest it lost.<\/p>\r\n\r\n<div style=\"background: #f5f5f5; padding: 20px; border-radius: 8px; margin: 24px 0;\">\r\n<p style=\"margin: 0 0 10px; font-weight: bold; font-size: 15px; letter-spacing: .03em; color: #111;\">QUICK FACTS<\/p>\r\n<table style=\"border-collapse: collapse; font-size: 15px; line-height: 1.5;\">\r\n<tbody>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Role<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">High-altitude CIA reconnaissance (proposed)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Programme<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">Project GUSTO \/ OXCART, 1957\u201359<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Powerplant<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">2 \u00d7 Pratt &amp; Whitney J58, buried in the fuselage<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Design speed<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">Mach 3.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Number built<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">0 (radar test model only)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"padding: 6px 12px 6px 0; font-weight: 600; color: #333; vertical-align: top; white-space: nowrap;\">Fate<\/td>\r\n<td style=\"padding: 6px 0; color: #444;\">Lost to the Lockheed A-12, 28 August 1959<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n<h2 style=\"padding-top: 22px;\">The race to replace the U-2<\/h2>\r\n<p>After a U-2 proved it could be tracked over the Soviet Union, the CIA launched Project GUSTO to find a successor that radar could not see. Two giants competed: Lockheed\u2019s Skunk Works, under Kelly Johnson, and Convair of Fort Worth. Lockheed\u2019s answer became the A-12 Oxcart. Convair\u2019s was the Kingfish.<\/p>\r\n<p>Convair took radar cross-section seriously in a way that was decades ahead of its time. The Kingfish buried its two Pratt &amp; Whitney J58 engines inside the fuselage, used ceramic and radar-absorbing materials on its edges, and wore an angular shape that looks startlingly like the stealth aircraft of the 1980s. On paper it cruised at Mach 3.2 above 90,000 feet.<\/p>\r\n\r\n<div style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; margin: 24px 0;\"><iframe class=\"skip-lazy\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 8px;\" src=\"https:\/\/www.youtube.com\/embed\/0W3FsBTAqgc\" allowfullscreen=\"allowfullscreen\" data-no-lazy=\"1\"><\/iframe><\/div>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin: 0 0 24px;\"><img decoding=\"async\" class=\"skip-lazy\" style=\"max-width: 100%; height: auto; border-radius: 6px;\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/07\/convair-kingfish-diagram.jpg\" alt=\"Conceptual diagram of the Convair Kingfish\" data-no-lazy=\"1\" \/>\r\n<figcaption style=\"font-size: 13px; color: #777; text-align: center; margin-top: 6px; font-style: italic;\">The Kingfish buried its engines in the fuselage and used radar-absorbing edges \u2014 ideas that would resurface in the F-117 two decades later. Image: Wikimedia Commons<\/figcaption>\r\n<\/figure>\r\n\r\n<h2 style=\"padding-top: 22px;\">A rivalry decided by reputation<\/h2>\r\n<p>Kelly Johnson was not impressed by his rival \u2014 or rather, he was suspicious of how Convair had chased a small radar signature. In his classified log of the OXCART programme, he was blunt.<\/p>\r\n\r\n<div style=\"background: #f8f9fa; border-left: 4px solid  #d32f2f; 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;\">\r\n<div><em>\u201cConvair have promised reduced radar cross section on an airplane the size of A-12. They are doing this, in my view, with total disregard for aerodynamics, inlet and afterburner performance.\u201d<\/em>\r\n<div style=\"margin-top: 10px; font-size: 14px; color: #555;\"><strong>Clarence \"Kelly\" Johnson<\/strong> \u2014 Lockheed Skunk Works chief designer, OXCART history (1968)<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n<p>On 28 August 1959, the panel chose Lockheed. The A-12 was rated slightly faster and higher, and \u2014 crucially \u2014 cheaper. But the deciding factor was trust. Some CIA officers actually preferred the Kingfish for its smaller radar signature; they were talked out of it by the Air Force members of the panel, who remembered Convair\u2019s troubled, over-budget B-58 bomber programme.<\/p>\r\n\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;\">\r\n<div><em>\u201cSome of the CIA representatives initially favored the Convair KINGFISH design because of its smaller radar cross section, but they were eventually convinced to support the Lockheed design by the Air Force members of the panel, who believed that Convair\u2019s cost over-runs and production delays on the B-58 project might be repeated.\u201d<\/em>\r\n<div style=\"margin-top: 10px; font-size: 14px; color: #555;\"><strong>Pedlow &amp; Welzenbach<\/strong> \u2014 official CIA history of the U-2 and OXCART programs (1992)<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin: 0 0 24px;\"><img decoding=\"async\" class=\"skip-lazy\" style=\"max-width: 100%; height: auto; border-radius: 6px;\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/07\/convair-kingfish-1959.jpg\" alt=\"Convair Kingfish, July 1959\" data-no-lazy=\"1\" \/>\r\n<figcaption style=\"font-size: 13px; color: #777; text-align: center; margin-top: 6px; font-style: italic;\">The Kingfish never left the drawing board. Its low-radar concepts, though, would return in the F-117 Nighthawk. Image: Wikimedia Commons<\/figcaption>\r\n<\/figure>\r\n\r\n<p>The Kingfish was never built. Funding dried up the moment Lockheed\u2019s design succeeded, and Convair\u2019s angular spy plane became a footnote. But look at an F-117 Nighthawk \u2014 buried engines, faceted skin, radar-absorbing edges \u2014 and you are looking at an idea Convair had first. It lost the contract. It may have won the argument.<\/p>\r\n\r\n<div style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; margin: 24px 0;\"><iframe class=\"skip-lazy\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 8px;\" src=\"https:\/\/www.youtube.com\/embed\/wxA0VlsQ4bc\" allowfullscreen=\"allowfullscreen\" data-no-lazy=\"1\"><\/iframe><\/div>\r\n\r\n<p><em>Sources: Pedlow &amp; Welzenbach, CIA history of the U-2 and OXCART Programs; Kelly Johnson, OXCART programme log; Wikipedia.<\/em><\/p>\n<!-- mfsh:bottom -->\n\n<button type=\"button\" class=\"mfsh-trigger mfsh-bottom\" data-mfsh-placement=\"bottom\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button>\n\n<!-- \/mfsh:bottom -->\n\r\n\r\n<div style=\"background: #f0f4ff; border-left: 4px solid #5C91FF; padding: 16px 20px; margin: 32px 0 8px; border-radius: 0 8px 8px 0;\">\r\n<p style=\"margin: 0 0 8px; font-weight: 600; color: #333;\">Related Posts<\/p>\r\n<p style=\"margin: 4px 0;\"><a href=\"https:\/\/migflug.com\/afterburner\/pyotr-ufimtsev-soviet-scientist-gave-america-stealth\/\">The Soviet Scientist Who Accidentally Gave America Stealth<\/a><\/p>\r\n<p style=\"margin: 4px 0;\"><a href=\"https:\/\/migflug.com\/afterburner\/tsybin-rsr-soviet-sr-71-mach-3-spy-plane-that-never-flew\/\">The Soviet SR-71 That Never Flew<\/a><\/p>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Il Kingfish della Convair sfior\u00f2 la vittoria contro l&#039;A-12 Blackbird, diventando l&#039;aereo spia della CIA capace di raggiungere Mach 3 e fu pioniere di concetti stealth che sarebbero poi stati ripresi nell&#039;F-117.<\/p>","protected":false},"author":27,"featured_media":5906031,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[666,664],"tags":[],"class_list":["post-5906237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history-and-legends","category-military-aviation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Convair Kingfish: The Spy Plane That Lost to the A-12<\/title>\n<meta name=\"description\" content=\"The Convair Kingfish nearly became the CIA&#039;s Mach-3 spy plane, until it lost a secret 1959 contest to the Lockheed A-12 Blackbird.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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