[49], The Comet's thin metal skin was composed of advanced new alloys[N 13] and was both riveted and chemically bonded, which saved weight and reduced the risk of fatigue cracks spreading from the rivets. In April 1960, 13 Comets, 19 Britannias and 6 DC-7Cs. Titles: De Havilland DH106 Comet No 1 and No 2 The De Havilland Comet is famous as the first jet airliner, and first flew in 1949, building on Britain's lead in jet engine technology. Comet 4 – first flying as the de Havilland Comet airliner in 1949. In 1949, they proudly unveiled the world’s first commercial jet airliner, the de Havilland Comet. Photo: Alan Wilson via Wikimedia Commons. [97] The Comet fleet was immediately grounded once again and a large investigation board was formed under the direction of the Royal Aircraft Establishment (RAE). [18] The prototype's maiden flight, out of Hatfield Aerodrome, took place on 27 July 1949 and lasted 31 minutes. The earliest commercial jet aircraft was the de Havilland Comet. [143] In spite of the Comet being subjected to what was then the most rigorous testing of any contemporary airliner, pressurisation and the dynamic stresses involved were not thoroughly understood at the time of the aircraft's development, nor was the concept of metal fatigue. [92], After the loss of G-ALYV, the Central Government of India convened a court of inquiry[91] to examine the cause of the accident. Usually seating 74 to 81 passengers, a special charter package enabled it to seat up to 119 in later life.. British Overseas Airways Corporation or BOAC put the aircraft into service on 4 October 1958, becoming the first airline to operate jets across the … [160] Although these aircraft performed well on test flights on the South Atlantic, their range was still not suitable for the North Atlantic. [4], The committee accepted the proposal, calling it the "Type IV" (of five designs),[N 3] and awarded a development and production contract to de Havilland under the designation Type 106 in February 1945. The low-mounted engines and good placement of service panels also made aircraft maintenance easier to perform. On 22 January 1952, the fifth production aircraft, registered G-ALYS, received the first Certificate of Airworthiness awarded to a Comet, six months ahead of schedule. [81][181] A hangar fire damaged a No. This artificial feel was the first of its kind to be introduced in any aircraft. Green and Swanborough April 1977, p. 174. [N 21][158] A total of 12 of the 44-seat Comet 2s were ordered by BOAC for the South Atlantic route. The De Havilland Aircraft Company DH104 Dove was a short-haul small airliner developed in the 1940's as a result of the Brabazon report which mapped the future of the UK aircraft industry, post World War II. Just how popular was the de Havilland Comet in its day? The de Havilland Comet 1, registration G-ALYP. De Havilland’s efforts would now concentrate on the larger, longer range and much stronger Comet 4. The cockpit section is now with the Boscombe Down Aviation Collection at Old Sarum Airfield [188], Six complete Comet 4s are housed in museum collections. Thanks for sharing. ", From 1944 to 1946, the design group prepared submissions on a three-engined twin-boom design, a three-engined canard design with engines mounted in the rear, and a tailless design that featured a. reply. [85][86] The accident was the first fatal jetliner crash, as well as the Comet's first accident to result in fatalities. Usually seating 74 to 81 passengers, a special charter package enabled it to seat up to 119 in later life.. British Overseas Airways Corporation or BOAC put the aircraft into service on 4 October 1958, becoming the first airline to operate jets across the Atlantic. The wing was drastically redesigned from a 40˚ sweep. [193] Since the 2000s, various parties have proposed restoring Canopus, which is maintained by a staff of volunteers,[194] to airworthy, fully flight-capable condition. The need to inspect areas not easily viewable by the naked eye led to the introduction of widespread radiography examination in aviation; this also had the advantage of detecting cracks and flaws too small to be seen otherwise. BOAC took 19 original Comet 4s whilst BEA took 18 Comet 4Bs (a 2m longer version with shorter wings) whilst 23 of the ultimate version the 4C were built. [81] The Dan-Air de Havilland Comet crash in Spain's Montseny range on 3 July 1970 was attributed to navigational errors by air traffic control and pilots. [187] However, this plan did not go ahead and the airframe was scrapped in 2013. 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