Boeing CH-47 Chinook had remained in both production and frontline service for over 50 years. The military version of the helicopter has been subject to numerous export sales from nations across the world, typically using it as heavy-lift rotorcraft in a military context; the U.S. Army and the Royal Air Force (see Boeing Chinook (UK variants)) have been its two largest users. The civilian version of the Chinook is the Boeing Vertol 234. It has been used for a variety of purposes by a range of different civil operators, having often been used for passenger and cargo transport, along with niche roles such
Robinson Helicopter Company Robinson Helicopter Company The Robinson Helicopter Company, based at Zamperini Field in Torrance, California, is a manufacturer of civil helicopters. Robinson produces three models – the two-seat R22, the four-seat R44, both of which use Lycoming piston engines, and the five-seat R66, which uses a turbine engine. The company was founded in 1973 by Frank Robinson, a former employee of Bell Helicopter and Hughes Helicopters. Since delivering its first helicopter in 1979, Robinson Helicopter has produced over 12,000 aircraft. Plans for production of the Robinson R66 were announced in March 2007. It is a five-seat helicopter of similar configuration to