{"id":12126855,"date":"2026-08-14T10:43:30","date_gmt":"2026-08-14T08:43:30","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/first-flight-over-mount-everest-1933-houston-expedition\/"},"modified":"2026-08-14T10:48:08","modified_gmt":"2026-08-14T08:48:08","slug":"first-flight-over-mount-everest-1933-houston-expedition","status":"publish","type":"post","link":"https:\/\/migflug.com\/jetflights\/fr\/first-flight-over-mount-everest-1933-houston-expedition\/","title":{"rendered":"The Biplanes That Flew Over Everest"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\n<p>Twenty years before Edmund Hillary and Tenzing Norgay set foot on the summit of Mount Everest, two men in open-cockpit biplanes looked down on it from above.<\/p>\n<p>On April 3, 1933, a small British expedition did something that sounds impossible for the technology of its day: it flew over the highest mountain on Earth, clearing the summit by a reported hundred feet, in flimsy fabric-and-wire aircraft with rudimentary oxygen and barely enough power to get there.<\/p>\n<p>It was one of the great adventures of the golden age of flight, and it was very nearly a disaster.<\/p>\n\n<div style=\"background:#f5f5f5;padding:20px 22px;border-radius:8px;margin:24px 0\"><p style=\"margin:0 0 10px;font-weight:700;font-size:18px\">Informations cl\u00e9s<\/p><ul style=\"margin:0;padding-left:20px;line-height:1.8\"><li><strong>Quoi:<\/strong> The first flight over the summit of Mount Everest<\/li><li><strong>Date:<\/strong> April 3, 1933<\/li><li><strong>A\u00e9ronef:<\/strong> Two Westland biplanes, the Houston-Westland and a Wallace prototype<\/li><li><strong>Crews:<\/strong> Lord Clydesdale and David McIntyre, with observers Stewart Blacker and Sidney Bonnett<\/li><li><strong>Took off from:<\/strong> Lalbalu airstrip, Bihar, India<\/li><li><strong>Cleared the summit by:<\/strong> A reported 100 feet<\/li><li><strong>Patron:<\/strong> Lucy, Lady Houston<\/li><li><strong>Filmed as:<\/strong> Wings Over Everest (1934)<\/li><\/ul><\/div>\n\n<h2 style=\"padding-top:22px\">The roof of the world, by biplane<\/h2>\n<p>The aircraft were two Westland biplanes fitted with supercharged Bristol Pegasus engines, chosen because they could claw their way into the thin air above 30,000 feet. Even so, the margins were terrifying. The crews flew in open cockpits, wrapped against cold that plunged far below freezing, breathing bottled oxygen through primitive equipment.<\/p>\n<p>They took off from a strip at Lalbalu in northern India on the morning of April 3, 1933, and pointed their noses at a mountain no aircraft had ever crossed.<\/p>\n\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=214318698  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:jlx3.cc79\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/first-flight-over-mount-everest-1933-houston-expedition-b0.jpg\" alt=\"Mount Everest\" 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\">In 1933, twenty years before anyone stood on its summit, two open-cockpit biplanes looked down on the top of the world. Photo: Wikimedia Commons<\/figcaption><\/figure>\n<h2 style=\"padding-top:22px\">The eccentric millionaire who paid for it<\/h2>\n<p>The expedition existed because of one remarkable woman. Lucy, Lady Houston, a fiercely patriotic and famously eccentric millionaire, put up the money after the British establishment hesitated. She had already helped save the Spitfire's ancestor, the Supermarine racers, and she saw flying over Everest as a matter of national pride.<\/p>\n<p>Rival French and German teams were reportedly eyeing the same prize, which only sharpened the sense that this was a race for Britain to win.<\/p>\n\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;My uncle was first to fly over Everest.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>National Geographic<\/strong> &mdash; on the 1933 expedition<\/div><\/div><\/div>\n<h2 style=\"padding-top:22px\">Over the top, by a hundred feet<\/h2>\n<p>As the biplanes approached the summit, savage downdrafts hurled them toward the rock. The pilots fought for every foot of altitude, and the aircraft scraped over the top of Everest with what observers put at barely a hundred feet to spare. From the second cockpits, the observers worked cameras with frozen hands, capturing the first photographs ever taken looking down on the roof of the world.<\/p>\n<p>That footage was later cut into the documentary Wings Over Everest, which brought the astonishing images to audiences who could scarcely believe what they were seeing.<\/p>\n\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\/9zK4WblHxkI\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n<h2 style=\"padding-top:22px\">A handkerchief and a broken oxygen line<\/h2>\n<p>The flight nearly cost a life. High over the mountain, the cameraman Sidney Bonnett suddenly felt faint, with stabbing pains in his stomach. He discovered that his oxygen line had split open, and at that altitude a few minutes without oxygen would have killed him.<\/p>\n<p>With extraordinary calm, he tied a handkerchief around the break, sealed the leak well enough to keep breathing, and went back to filming. The photographs the expedition brought home were so good that, two decades later, they helped the team that finally conquered Everest on foot plan their route to the summit.<\/p>\n\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;First flight over Everest.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Guinness World Records<\/strong> &mdash; on the achievement<\/div><\/div><\/div>\n\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=1246527298  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:jlx3.cc79\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/first-flight-over-mount-everest-1933-houston-expedition-b1.jpg\" alt=\"Lucy, Lady Houston\" 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\">Lucy, Lady Houston, the fiercely patriotic millionaire who bankrolled the expedition after the British government declined. Photo: Wikimedia Commons<\/figcaption><\/figure>\n<p style=\"font-size:13px;color:#777;font-style:italic;margin-top:28px\">Sources: Wikipedia, National Geographic, HistoryNet, Guinness World Records<\/p>\n\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\">Articles similaires<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/dh88-comet-macrobertson-race-1934\/\">Le bateau de course en bois qui a devanc\u00e9 le monde en Australie<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/cal-rodgers-vin-fiz-first-transcontinental-flight-1911\/\">L&#039;amateur qui a travers\u00e9 l&#039;Am\u00e9rique en s&#039;\u00e9crasant<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/no-kum-sok-mig-15-defection-1953\/\">Le pilote communiste qui a livr\u00e9 un MiG \u00e0 l&#039;Am\u00e9rique<\/a><\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>Twenty years before Edmund Hillary and Tenzing Norgay set foot on the summit of Mount Everest, two men in open-cockpit biplanes looked down on it from above. On April 3, 1933, a small British expedition did something that sounds impossible for the technology of its day: it flew over the highest mountain on Earth, clearing [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":12126776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,666],"tags":[],"class_list":["post-12126855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world","category-history-and-legends"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The 1933 First Flight Over Mount Everest | Afterburner - MiGFlug&#039;s Magazine<\/title>\n<meta name=\"description\" content=\"In 1933 two open-cockpit biplanes flew over Mount Everest, clearing the summit by 100 feet. 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