{"id":19025820,"date":"2026-09-01T21:14:36","date_gmt":"2026-09-01T19:14:36","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/charles-blair-excalibur-iii-transpolar-mustang-1951\/"},"modified":"2026-09-04T08:42:12","modified_gmt":"2026-09-04T06:42:12","slug":"charles-blair-excalibur-iii-mustang-transpolar-1951","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/es\/charles-blair-excalibur-iii-transpolar-mustang-1951\/","title":{"rendered":"Charles Blair: El mustang solitario que cruz\u00f3 el Polo Norte"},"content":{"rendered":"<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 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Charles Blair was going to fly over the North Pole to Alaska, alone, in a single-engined fighter, using the sun.<\/p>\r\n<p>Ten hours and twenty-seven minutes later he landed at Fairbanks. The magnetic compass had been useless for most of it, exactly as he had expected.<\/p>\r\n<div style=\"background:#f5f5f5;padding:20px;margin:24px 0\"><p style=\"margin:0 0 10px;font-weight:700;font-size:17px\">Quick Facts<\/p><ul style=\"margin:0;padding-left:18px;line-height:1.8\"><li><strong>Pilot:<\/strong> Captain Charles F. Blair Jr. of Pan American World Airways<\/li><li><strong>Aircraft:<\/strong> North American P-51C-10-NT Mustang, 44-10947, registered NX1202, named Excalibur III<\/li><li><strong>Route:<\/strong> Bardufoss, Norway, over the North Pole, to Fairbanks, Alaska<\/li><li><strong>Date:<\/strong> 29 May 1951<\/li><li><strong>Distance and time:<\/strong> 3,260 miles non-stop in 10 hours 27 minutes<\/li><li><strong>Navigation:<\/strong> Astrocompass Mark II and pre-plotted sun lines<\/li><li><strong>Conditions:<\/strong> Air temperatures down to -25&deg;F (-31.6&deg;C); crossed the Pole at 22,000 feet<\/li><li><strong>Where it is now:<\/strong> Steven F. Udvar-Hazy Center, National Air and Space Museum<\/li><\/ul><\/div>\r\n<h2 style=\"padding-top:22px\">A racing Mustang with a wing full of fuel<\/h2>\r\n<p>Excalibur III had already had two lives before Blair got hold of it. Built in Dallas as a P-51C-10-NT, it was bought after the war by the Hollywood stunt pilot Paul Mantz, painted red and named <em>Blaze of Noon<\/em>. Mantz won the Bendix Trophy transcontinental race with it in 1946 and again in 1947. Renamed and flown by others, it placed second in 1948 and third in 1949.<\/p>\r\n<p>Mantz had done something drastic to make that possible. He stripped out the standard 90-gallon self-sealing tanks and turned the entire wing into a fuel tank &mdash; a wet wing. That modification is the whole reason the transpolar flight was physically possible.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/p-51c-excalibur-iii-udvar-hazy-smithsonian.jpg\" alt=\"Excalibur III preserved at the Smithsonian&rsquo;s Steven F. Udvar-Hazy Center\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Excalibur III today. Paul Mantz&rsquo;s wet-wing conversion gave the fighter the range that made Blair&rsquo;s flight possible. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n<p>Pan American bought the aircraft for Blair, its chief pilot. He first named it <em>Stormy Petrel<\/em>, then settled on Excalibur III after the Sikorsky VS-44 flying boat he had flown for American Export Airlines.<\/p>\r\n<h2 style=\"padding-top:22px\">Four months earlier: New York to London<\/h2>\r\n<p>Blair had already used the Mustang to make a point about the jet stream. On 31 January 1951 he flew it from New York to London in 7 hours 48 minutes, averaging 446 mph and climbing as high as 37,000 feet in an unpressurised single-seat fighter.<\/p>\r\n<p>It was a remarkable time for a piston-engined aeroplane. It was never an official record, because nobody had arranged for the F&eacute;d&eacute;ration A&eacute;ronautique Internationale to observe it.<\/p>\r\n<h2 style=\"padding-top:22px\">Navigating where the compass lies<\/h2>\r\n<p>The polar problem is simple to state and brutal to solve. Near the magnetic pole a magnetic compass wanders or simply points at the ground. In 1951 there were no satellites, and over the Arctic Ocean there were no radio beacons either.<\/p>\r\n<p>Blair's answer was to navigate by the sun. Working with Captain Philip Van Horn Weems, the retired US Navy officer who had spent a career turning celestial navigation into something a pilot could use at speed, he had a set of sun lines calculated in advance for specific positions and specific times. In the cockpit he checked them with an Astrocompass Mark II.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/mustang-excalibur-iii-national-air-space-museum.jpg\" alt=\"Excalibur III on display at the National Air and Space Museum\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The Mustang carried Blair 3,260 miles across the top of the world in ten and a half hours. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n<p>The flight plan was geometry. North along the 20th meridian east, across the Pole at 22,000 feet, south down the 160th meridian west to latitude 70 north, then a turn southeast for Fairbanks. If the sun lines were wrong, or if he flew them badly, there was no diversion airfield and no rescue.<\/p>\r\n<p>They were not wrong. He arrived.<\/p>\r\n<h2 style=\"padding-top:22px\">What it proved<\/h2>\r\n<p>President Truman presented Blair with the Harmon International Trophy at the White House on 18 November 1952. The award exists for exactly this kind of thing.<\/p>\r\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><em>&ldquo;The most outstanding international achievements in the art and\/or science of aeronautics for the previous year, with the art of flying receiving first consideration.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>The Harmon Trophy criteria<\/strong> &mdash; As cited for Charles Blair&rsquo;s 1951 transpolar flight<\/div><\/div>\r\n<p>The practical consequence was bigger than the trophy. Blair had demonstrated that the polar route was navigable and therefore that it was commercially usable. Within a few years airlines were flying over the top of the world, cutting hours off Europe-to-Asia and Europe-to-west-coast schedules. The Cold War air forces were paying attention too: in 1959, by then a brigadier general in the Air Force Reserve, Blair led two F-100 Super Sabres non-stop from England to Alaska over the Pole.<\/p>\r\n<p>He kept flying to the end. Blair was killed on 2 September 1978 when a Grumman Goose he was captaining for his own airline, Antilles Air Boats, suffered an engine failure shortly after takeoff in the Caribbean. He was 69.<\/p>\r\n<p>Excalibur III was given to the Smithsonian by Pan American in 1952. It hangs at the Udvar-Hazy Center now, restored, still red. It is worth standing under it and remembering that this small fighter once flew over the North Pole with one man and a sun table.<\/p>\r\n\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\n\n\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>Who was Charles Blair?<\/summary><div class=\"a\">Captain Charles F. Blair Jr. was an American aviation pioneer and Pan American World Airways chief pilot who worked out routes and navigation techniques for long-distance flight. Born in 1909, he later served as a brigadier general in the Air Force Reserve. He was killed in 1978 when a Grumman Goose he was flying suffered an engine failure.<\/div><\/details><details><summary>What was Excalibur III?<\/summary><div class=\"a\">Excalibur III was a North American P-51C-10-NT Mustang, serial 44-10947, registered NX1202. Paul Mantz had bought it after the war, named it Blaze of Noon and won the Bendix Trophy races of 1946 and 1947 with it. Blair acquired it and renamed it after the Sikorsky VS-44 flying boat Excalibur he had flown.<\/div><\/details><details><summary>How did Charles Blair fly over the North Pole?<\/summary><div class=\"a\">On 29 May 1951 Blair departed Bardufoss in Norway, flew north along the 20th meridian east, crossed the North Pole at 22,000 feet, then ran south down the 160th meridian west before turning southeast for Fairbanks, Alaska. He covered 3,260 miles non-stop in 10 hours and 27 minutes, alone.<\/div><\/details><details><summary>How did he navigate without a working compass?<\/summary><div class=\"a\">Near the pole a magnetic compass is useless, and in 1951 there were no radio beacons over the Arctic Ocean. Blair navigated by the sun, using an Astrocompass Mark II and a set of sun lines calculated in advance for specific positions and times by Captain Philip Van Horn Weems, a retired US Navy officer.<\/div><\/details><details><summary>What made the transpolar flight possible?<\/summary><div class=\"a\">Paul Mantz had stripped out the Mustang standard 90-gallon self-sealing tanks and converted the entire wing into a fuel tank, a so-called wet wing. That modification, made for air racing, gave the fighter the endurance it needed. Air temperatures during the crossing fell as low as minus 25 degrees Fahrenheit.<\/div><\/details><details><summary>Where is Excalibur III today?<\/summary><div class=\"a\">Pan American World Airways donated the aircraft to the Smithsonian Institution in 1952. Fully restored, it is on display at the National Air and Space Museum Steven F. Udvar-Hazy Center in Chantilly, Virginia. President Truman presented Blair with the Harmon International Trophy at the White House on 18 November 1952.<\/div><\/details><\/div><\/section>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Who was Charles Blair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Captain Charles F. Blair Jr. was an American aviation pioneer and Pan American World Airways chief pilot who worked out routes and navigation techniques for long-distance flight. Born in 1909, he later served as a brigadier general in the Air Force Reserve. He was killed in 1978 when a Grumman Goose he was flying suffered an engine failure.\"}},{\"@type\":\"Question\",\"name\":\"What was Excalibur III?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Excalibur III was a North American P-51C-10-NT Mustang, serial 44-10947, registered NX1202. Paul Mantz had bought it after the war, named it Blaze of Noon and won the Bendix Trophy races of 1946 and 1947 with it. Blair acquired it and renamed it after the Sikorsky VS-44 flying boat Excalibur he had flown.\"}},{\"@type\":\"Question\",\"name\":\"How did Charles Blair fly over the North Pole?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"On 29 May 1951 Blair departed Bardufoss in Norway, flew north along the 20th meridian east, crossed the North Pole at 22,000 feet, then ran south down the 160th meridian west before turning southeast for Fairbanks, Alaska. He covered 3,260 miles non-stop in 10 hours and 27 minutes, alone.\"}},{\"@type\":\"Question\",\"name\":\"How did he navigate without a working compass?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Near the pole a magnetic compass is useless, and in 1951 there were no radio beacons over the Arctic Ocean. Blair navigated by the sun, using an Astrocompass Mark II and a set of sun lines calculated in advance for specific positions and times by Captain Philip Van Horn Weems, a retired US Navy officer.\"}},{\"@type\":\"Question\",\"name\":\"What made the transpolar flight possible?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Paul Mantz had stripped out the Mustang standard 90-gallon self-sealing tanks and converted the entire wing into a fuel tank, a so-called wet wing. That modification, made for air racing, gave the fighter the endurance it needed. Air temperatures during the crossing fell as low as minus 25 degrees Fahrenheit.\"}},{\"@type\":\"Question\",\"name\":\"Where is Excalibur III today?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pan American World Airways donated the aircraft to the Smithsonian Institution in 1952. Fully restored, it is on display at the National Air and Space Museum Steven F. Udvar-Hazy Center in Chantilly, Virginia. President Truman presented Blair with the Harmon International Trophy at the White House on 18 November 1952.\"}}]}<\/script><p><em>Sources: Smithsonian National Air and Space Museum, This Day in Aviation, Wikipedia, and Smithsonian Magazine. No archival film of the transpolar flight could be verified for embedding.<\/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<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/wiley-post-first-solo-around-the-world-pressure-suit\/\">Wiley Post: First Solo Around the World<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/p-51b-shillelagh-mustang-flies-again-oshkosh-2026\/\">A Rare P-51 Mustang Flies Again<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/airship-italia-amundsen-last-flight\/\">Airship Italia and Amundsen&rsquo;s Last Flight<\/a><\/p><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Share this story At 3:58 on the afternoon of 29 May 1951, a red P-51 Mustang lifted off from Bardufoss in northern Norway with one man in it and no radio navigation aids ahead of him worth the name. Charles Blair was going to fly over the North Pole to Alaska, alone, in a single-engined [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":19025507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[666,664],"tags":[],"class_list":["post-19025820","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 v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Charles Blair: The Lone Mustang That Crossed the North Pole | MiGFlug<\/title>\n<meta name=\"description\" content=\"In 1951 Charles Blair flew the P-51C Excalibur III over the North Pole alone, navigating by sun lines because the compass was useless.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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