{"id":12795484,"date":"2026-08-16T12:18:04","date_gmt":"2026-08-16T10:18:04","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/handley-page-hp42-imperial-airways-biplane-airliner\/"},"modified":"2026-09-04T08:52:58","modified_gmt":"2026-09-04T06:52:58","slug":"handley-page-hp42-imperial-airways-biplane-airliner","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/handley-page-hp42-imperial-airways-biplane-airliner\/","title":{"rendered":"Handley Page H.P.42: The Biplane Airliner That Refused to Hurry"},"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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Imperial Airways bought a fabric-covered biplane with four engines, a fixed undercarriage and a cruising speed of about 100 mph, and flew it for nine years without killing anybody.<\/p>\r\n\r\n<p>The Handley Page H.P.42 was slow, draughty, and by any technical measure already obsolete when it entered service. It was also, by a distance, the most comfortable and most trusted airliner of its generation.<\/p>\r\n\r\n\r\n<div style=\"background:#f5f5f5;padding:20px 22px;margin:24px 0;font-size:15px;line-height:1.8\"><p style=\"margin:0 0 10px;font-weight:600;font-size:17px\">Quick Facts<\/p><p style=\"margin:4px 0\"><strong>First flight:<\/strong> 14 November 1930 at Radlett, prototype G-AAGX <em>Hannibal<\/em><\/p><p style=\"margin:4px 0\"><strong>Built:<\/strong> eight, all with names beginning with H<\/p><p style=\"margin:4px 0\"><strong>Two versions:<\/strong> the H.P.42 Eastern for the Empire routes; the H.P.45 Western for Europe<\/p><p style=\"margin:4px 0\"><strong>Engines:<\/strong> four Bristol Jupiters, two on the upper wing and two on the lower<\/p><p style=\"margin:4px 0\"><strong>Capacity:<\/strong> 24 passengers plus mail on the Eastern; 38 on the Western<\/p><p style=\"margin:4px 0\"><strong>Cruise:<\/strong> roughly 90 to 105 mph<\/p><p style=\"margin:4px 0\"><strong>Career total:<\/strong> more than 10 million miles over nine years<\/p><p style=\"margin:4px 0\"><strong>Survivors:<\/strong> none<\/p><\/div>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">Two aircraft with one name<\/h2>\r\n\r\n<p>This trips up almost everybody, so it is worth getting right. The eight aircraft were built in two batches. The <strong>H.P.42 Eastern<\/strong> boats &mdash; <em>Hannibal<\/em>, <em>Horsa<\/em>, <em>Hanno<\/em> and <em>Hadrian<\/em> &mdash; went to the Empire routes: Cairo to Baghdad, Sharjah, Karachi and on toward India, plus the African run.<\/p>\r\n\r\n<p>The <strong>H.P.45 Western<\/strong> aircraft &mdash; <em>Heracles<\/em>, <em>Horatius<\/em>, <em>Hengist<\/em> and <em>Helena<\/em> &mdash; worked Croydon to Paris, Cologne, Zurich and Basle, with more powerful supercharged engines and 38 seats instead of 24, at the cost of the baggage hold.<\/p>\r\n\r\n<p>Imperial Airways called them all H.P.42 in public, which is why the distinction has been muddled ever since. If you see the phrase \"H.P.42 Western\", it is the wrong way round.<\/p>\r\n\r\n\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\/handley-page-hp42-hanno-awaiting-departure.jpg\" alt=\"A Handley Page H.P.42 awaiting departure at Samakh\" 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\"><em>Hanno<\/em> at Samakh in what is now Israel, October 1931, on the route to Baghdad. Photo: American Colony (Jerusalem) Photo Department \/ Library of Congress, public domain<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">Slow on purpose<\/h2>\r\n\r\n<p>The specification Imperial wrote was not about speed. It was about carrying paying passengers, in comfort, across places where a forced landing was survivable and a rescue was not quick. That produced an aircraft with a very low wing loading, an enormous wing area, and the ability to come down slowly almost anywhere.<\/p>\r\n\r\n<p>The cabins were genuinely luxurious &mdash; panelled, curtained, with proper meals served at proper tables. Passengers reported being able to hold a conversation, which was not a given in 1931.<\/p>\r\n\r\n<p>The price was paid in turbulence. A very light wing loading makes for a soft landing and an appalling ride in rough air, something the aviation writer Peter Masefield pointed out two decades later when comparing it with post-war types.<\/p>\r\n\r\n\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 trouble about a slow aeroplane with a really low wing loading is the way it insists on wallowing about in turbulent air &hellip; One of the reasons why seven times as many people fly to Paris to-day, compared with 1931, is that the incidence of airsickness in modern aircraft is only one-hundredth of that in the pre-War types.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Peter Masefield<\/strong> &mdash; Aviation journalist, later chief executive of BEA, writing in The Aeroplane, 14 December 1951<\/div><\/div>\r\n\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\/handley-page-hp45-heracles-le-bourget.jpg\" alt=\"The Handley Page H.P.45 Heracles at Le Bourget\" 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\"><em>Heracles<\/em>, one of the four European aircraft, at Le Bourget. On the Paris run these carried 38 passengers. Photo: Jean Bazard, CC BY-SA 3.0<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">The safety record, accurately stated<\/h2>\r\n\r\n<p>You will often read that the H.P.42 never killed a passenger. That is not quite true, and the true version is still impressive.<\/p>\r\n\r\n<p>Across nine years and more than ten million miles of Imperial Airways peacetime service, from 1931 until the outbreak of war on 1 September 1939, <strong>no passenger or crew member was killed<\/strong> in an H.P.42 or H.P.45. That includes an early incident in which <em>Hannibal<\/em> lost two engines and put down at Five Oak Green in Kent with twenty people aboard and no serious injuries.<\/p>\r\n\r\n<p>The record ends there. On 1 March 1940, on wartime service between Calcutta and London, <em>Hannibal<\/em> disappeared over the Gulf of Oman with eight people aboard &mdash; four crew and four passengers, among them Group Captain Harold Whistler and Sir A. T. Pannirselvam. No wreckage was ever found, and the Air Ministry could not rule out fuel starvation.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">Blown away<\/h2>\r\n\r\n<p>What finished the fleet was weather and bad luck rather than the enemy. <em>Hengist<\/em> burned in a hangar fire at Karachi in 1937. <em>Horatius<\/em> was wrecked in a forced landing on a golf course at Tiverton in November 1939. <em>Hanno<\/em> and <em>Heracles<\/em> were blown into each other and destroyed in a gale at Whitchurch in March 1940. <em>Horsa<\/em> burned out after a forced landing in Cumberland; <em>Hadrian<\/em> was torn from its moorings in a gale at Doncaster and cartwheeled onto a railway line; <em>Helena<\/em> was condemned for corrosion and scrapped.<\/p>\r\n\r\n<p>All eight were gone by the end of 1940, and not one survives. For an aircraft that carried the Empire&rsquo;s passengers for a decade without losing one, that is a thin legacy.<\/p>\r\n\r\n<p>When it first flew at Radlett in November 1930, the newsreels reached for the only superlative that mattered.<\/p>\r\n\r\n\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;Giant British airliner. Handley Page &lsquo;Hannibal&rsquo; first of fleet of eight &ndash; largest passenger machine in World makes successful first flight.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>British Pathe<\/strong> &mdash; Newsreel intertitle, Radlett, 1930<\/div><\/div>\r\n<p>The newsreel of <em>Hannibal<\/em>&rsquo;s first flight at Radlett in 1930 &mdash; note the description of it as the largest passenger machine in the world:<\/p>\r\n\r\n\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\/d4WZUAnOomk\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n<p>Imperial Airways operations at Croydon in the mid-1930s:<\/p>\r\n\r\n\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\/u-4LK5svmok\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n<p>And <em>Heracles<\/em> landing, filmed in 1934:<\/p>\r\n\r\n\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\/UAn6FFU8Uos\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\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>Is it true the Handley Page H.P.42 never killed a passenger?<\/summary><div class=\"a\">Not quite, and the accurate version is still remarkable. Across nine years and more than ten million miles of Imperial Airways peacetime service, from 1931 until the outbreak of war on 1 September 1939, no passenger or crew member was killed. The record ends there: on 1 March 1940, on wartime service, Hannibal disappeared over the Gulf of Oman with eight people aboard.<\/div><\/details><details><summary>What is the difference between the H.P.42 and the H.P.45?<\/summary><div class=\"a\">The H.P.42 Eastern aircraft, Hannibal, Horsa, Hanno and Hadrian, flew the Empire routes with 24 seats plus mail. The H.P.45 Western aircraft, Heracles, Horatius, Hengist and Helena, flew European routes with more powerful supercharged engines and 38 seats. Imperial Airways called them all H.P.42 in public, which is why the distinction is so often muddled. If you see the phrase \"H.P.42 Western\", it is the wrong way round.<\/div><\/details><details><summary>How fast was the H.P.42?<\/summary><div class=\"a\">Roughly 90 to 105 mph, depending on the source. It was already technically obsolete when it entered service in 1931, while the rest of the world was building sleek metal monoplanes.<\/div><\/details><details><summary>Why was it so slow?<\/summary><div class=\"a\">Because speed was not what Imperial Airways asked for. The specification was about carrying paying passengers in comfort across places where a forced landing needed to be survivable, which produced a very low wing loading and an enormous wing area. The price was paid in turbulence, and airsickness.<\/div><\/details><details><summary>How many H.P.42s were built?<\/summary><div class=\"a\">Eight, four of each type, all with names beginning with H.<\/div><\/details><details><summary>What happened to the fleet?<\/summary><div class=\"a\">All eight were gone by the end of 1940, and mostly not to enemy action. Hengist burned in a hangar fire at Karachi in 1937, Horatius was wrecked on a golf course, Hanno and Heracles were blown into each other in a gale at Whitchurch, Hadrian was torn from its moorings at Doncaster, and Helena was condemned for corrosion. Not one survives.<\/div><\/details><\/div><\/section>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is it true the Handley Page H.P.42 never killed a passenger?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not quite, and the accurate version is still remarkable. Across nine years and more than ten million miles of Imperial Airways peacetime service, from 1931 until the outbreak of war on 1 September 1939, no passenger or crew member was killed. The record ends there: on 1 March 1940, on wartime service, Hannibal disappeared over the Gulf of Oman with eight people aboard.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the H.P.42 and the H.P.45?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The H.P.42 Eastern aircraft, Hannibal, Horsa, Hanno and Hadrian, flew the Empire routes with 24 seats plus mail. The H.P.45 Western aircraft, Heracles, Horatius, Hengist and Helena, flew European routes with more powerful supercharged engines and 38 seats. Imperial Airways called them all H.P.42 in public, which is why the distinction is so often muddled. If you see the phrase \\\"H.P.42 Western\\\", it is the wrong way round.\"}},{\"@type\":\"Question\",\"name\":\"How fast was the H.P.42?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Roughly 90 to 105 mph, depending on the source. It was already technically obsolete when it entered service in 1931, while the rest of the world was building sleek metal monoplanes.\"}},{\"@type\":\"Question\",\"name\":\"Why was it so slow?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because speed was not what Imperial Airways asked for. The specification was about carrying paying passengers in comfort across places where a forced landing needed to be survivable, which produced a very low wing loading and an enormous wing area. The price was paid in turbulence, and airsickness.\"}},{\"@type\":\"Question\",\"name\":\"How many H.P.42s were built?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Eight, four of each type, all with names beginning with H.\"}},{\"@type\":\"Question\",\"name\":\"What happened to the fleet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"All eight were gone by the end of 1940, and mostly not to enemy action. Hengist burned in a hangar fire at Karachi in 1937, Horatius was wrecked on a golf course, Hanno and Heracles were blown into each other in a gale at Whitchurch, Hadrian was torn from its moorings at Doncaster, and Helena was condemned for corrosion. Not one survives.\"}}]}<\/script><p><em>Sources: British Pathe archive; Bureau of Aircraft Accidents Archives; Peter Masefield in The Aeroplane, December 1951; Library of Congress.<\/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\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\/junkers-g-38-wing-cabins-giant-airliner\/\">Junkers G.38: The Airliner With Passenger Seats Inside the Wing<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/dornier-do-x-twelve-engine-flying-boat-169-passengers\/\">Dornier Do X: The 12-Engine Flying Boat That Carried 169 People<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/saunders-roe-princess-flying-boat-too-late\/\">Britain&rsquo;s Giant Flying Boat, Born Too Late<\/a><\/p><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Share this story By 1931 the rest of the world was building sleek metal monoplanes. Imperial Airways bought a fabric-covered biplane with four engines, a fixed undercarriage and a cruising speed of about 100 mph, and flew it for nine years without killing anybody. The Handley Page H.P.42 was slow, draughty, and by any technical [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":19638455,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,666],"tags":[],"class_list":["post-12795484","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 v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Handley Page H.P.42: The Slow Biplane Airliner | MiGFlug<\/title>\n<meta name=\"description\" content=\"Imperial Airways flew a fabric-covered biplane at 100 mph through the 1930s. 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