Helicopter Accidents Boeing-Vertol CH-47 Chinook year 1971

Year 1971 accidents

List of helicopter accidents

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Year	Version	C/N
1971	ch-47a	b-281	66-19023 : asg 4th Aviation Company, US Army Europe; w/o 17aug71 in Pegnitz, Bavaria, Germany, 37 fatalities; departed Dolan Barracks near Ludwigsburg in route to Grafenwöhr training area an fAft main rotor blade separated caused by fatigue fracture and crashed inverted near highway;
1971	yhc-1b	b-001	59-04982 : Vertol Model 114, c/n B-001, ff: n/a; YHC-1B 59-04982 was rolled out on 28Apr61 and immediately bailed to Vertol as a test bed. Tied down securely on the Vertol plant ramp, this aircraft became the subject of an endurance project designed to explore the durability of the power plant and drive train system before delivery to the US Army on 26Oct62; redesignated YCH-47A Nov62; accumulated 3,854.0 aircraft hours before being administratively struck off charge on 01Jun71. It was moved to Aberdeen Proving Grounds on 17May72 for ballistic testing; current status and whereabouts unknown.

2 C/N found.