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this helicopter was build in special characteristics to transport troops in the usaf.it is built in us and in italy.  Development began in 1956 as the Vertol model 114. In Jun 1959 a US Army contract for 5 prototype effective battlefield medium/heavy lift helicopters was awarded. The second prototype was the first to fly on 21 Sep 1961 and the CH-47A entered US Army service in Aug 1962. In the meantime (1960) Boeing had acquired Vertol. The CH-47 Chinook is tandem rotor medium/heavy lift helicopter with a pair of 3 bladed, contra-rotating rotors atop a square section, semi-monocoque, all-metal fuselage, supported on a non-retracting quadricycle undercarriage. Twin engines mounted externally on either side of the rear rotor head above a downward opening rear loading cargo ramp. Variable number of cargo hook hard points on the fuselage underside. Hugely successful design has been developed and improved for over forty years in a number of versions and for a variety of customers, with every prospect of life extensions for another thirty. Also built by Kawasaki in Japan and Meridionali in Italy. Chinooks have served in all branches of the US military and para-military and the armed forces of Argentina, Australia, Egypt, Greece, Iran, Italy, Japan, Libya, Morocco, Netherlands, Singapore, South Korea, Spain,
Taiwan, Thailand and the UK. A commercial version (the Model 234) is also available. Canadian military examples are designated CH-147.
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| C/N | Version | Built | History | | b-731 | | 1975 |  D-665 : Also known by manufacturers ID M3665. Ex US Army 74-22064 and Canadian Armed Forces 147007
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b-868  | | 1984 |  ZD576 : Also known by manufacturers ids M/A036 and M7010. Ex N37079, ff 1984, arr UK Dec 1984, dd to RAF 22 Dec 1984. To 240 OCU/FG by 1988 still 1990, to Persian Gulf as BFME/G by 1991, 18Sq/G by 1992, 18Sq/BC by 1993.
ZD576 : Re-delivered as a Chinook HC.2 on 21 Apr 1994 and became the most infamous Chinook to serve with the RAF. On arrival at RAF Odiham, its No.1 engine had to be replaced. On 10 May 1994, a post-flight fault inspection revealed a dislocated mounting bracket causing the collective lever to have restricted and restrictive movement, which resulted in a Serious Fault Signal being sent as a warning to other UK Chinook operating units. On 17 May 1994 emergency power warning lights flashed multiple times and the No.1 engine was again replaced. On 25 May 1994 a serious incident occured indicating the No.2 engine was about to fail. On 1 Jun 1994, the MoD test pilots at Boscombe Down refused to fly the Chinook HC.2 until engines and engine control systems and FADEC software were rectified on the model in RAF service. On Thursday 2 Jun 1994 at around 1800hrs, ZD576, callsign F4J40 crashed onto the Mull of Kintyre killing all 4 experienced crewmen and 25 highly skilled passengers.
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| cg.071 | | 1979 |  H-91 : dd 14jan80. participate in Malvinas/Falklands. Retired late 90s. Preserved
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| cg.072 | | 1979 | H-92 : dd 14jan80. w/o 28jan82 accident in Antarctica due gearbox failure. No casualties
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| cg.073 | | 1979 | H-93 : dd 14jan80. participate in Malvinas/Falklands. Suffer an accident 18sep93 in Pozo del Mortero, Formosa. Restored. Sell to Spain cancelled. Preserved.
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| cg.101 | | 1979 | AE-520 : fly to Malvinas/Falklands 18apr82, captured 14jun82. In RNAY Fleetlands as ZH257 and then restored to standard RAF Chinook HC.2 aprox 1996
ZH257 : Also assigned c/n B-797. ZH257 recovered from Falkland Islands 1982. to 9217M at DARA Fleetlands.
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| cg.102 | | 1979 | AE-521 : fly to Malvinas/Falklands 18apr82, destroyed on ground by a Harrier 21may82 near Mt.Kent
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| mp.224 | | 1998 | D-104 : CH-47D also known by mfg as M4104. Ex N2069A, d/d 11 Sep 1998 to KLu, arr Soesterberg 1 Oct 1998. To Kandahar, Afghanistan as part of Dutch contingent. Assigned as Medevac duty a/c at Mazar-e-Sharif 19 Aug 2005. Crashed 31 Oct 2005, 22nm NW of Bagram AB in the Hindukush Mountains, en route Kandahar via Bagram. (2nd RNLAF Chinook lost). Stripped of parts and destroyed in place on 13 Nov 2005.
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8 C/N found.
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