Boeing CH-47 Chinook Boeing CH-47 Chinook The Boeing CH-47 Chinook is an American twin-engined, tandem rotor, heavy-lift helicopter developed by American rotorcraft company Vertol and manufactured by Boeing Vertol (later known as Boeing Rotorcraft Systems). The CH-47 is among the heaviest lifting Western helicopters. Its name, Chinook, is from the Native American Chinook people of modern-day Washington state. The Chinook was originally designed by Vertol, which had begun work in 1957 on a new tandem-rotor helicopter, designated as the Vertol Model 107 or V-107. Around the same time, the United States Department of the Army announced its intention to replace the piston engine-powered
Birdman Chinook 2008, described the Chinook Plus 2 with the HKS 700E engine: The factory claims that a first time builder can complete the Chinook Plus 2 in 220 hours of labour. The rights to the Chinook Plus 2 were sold to US company, the Aeroplane Manufactory in 2013, which put the design back into production in 2016. The Chinook WT-11 design won Reserve Grand Champion at AirVenture in 1983 and again in 1984. In August 1983 test pilot Dennis Maland flew a WT-11 with the standard Rotax 277 engine to a height of . In November 1984 Jack Hughes flew a