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This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Please help improve this article by introducing more precise citations. (August 2024) (Learn how and when to remove this message) HAL Dhruv belonging to Sarang display team of the Indian Air Force A utility helicopter is a multi-purpose helicopter ...
The CH-1A was the first helicopter to land on Pikes Peak, at an altitude of 14,110 feet (4,300 m) on 15 September 1955, [2] it had a higher cruise speed than comparable machines, and a CH-1B, modified with an FSO-526-2X engine, set an official FAI world altitude record for helicopters of 29,777 feet [note 1] on December 28, 1957, while being ...
Most-produced Western helicopter; nicknamed "Huey". UH-1Y derivative in production. 1959–1976 Bell 206 Jetranger: 8,460: manufactured at Bell plants in United States and Canada: Also made under licence by Agusta in Italy and Commonwealth Aircraft Corporation in Australia: 1966–2010 Eurocopter AS350: 7,000 + [1] France: Airbus Helicopters ...
The Bell 30 was their first full-size helicopter (first flight December 29, 1942) and the Bell 47 became the first helicopter in the world rated by a civil aviation authority, becoming a civilian and military success. [3] Due to its burgeoning success, the helicopter division relocated as a separate unit to Hurst, Texas in 1951.
Helicopters have also been used in films, both in front and behind the camera. [29] The largest single non-combat helicopter operation in history was the disaster management operation following the 1986 Chernobyl nuclear disaster. Hundreds of pilots were involved in airdrop and observation missions, making dozens of sorties a day for several ...
The operating costs of civil helicopter were considered to be crucial, even prior to the S-61's introduction, as airlines had typically been unable to achieve profitable helicopter routes and became dependent on government subsidies to operate, reportedly due to the limited capacity and high operating expense of the available helicopters. It ...
The 47 became the first helicopter certified for civilian use on 8 March 1946. [ 1 ] [ 2 ] The first civilian delivery was made on 31 December 1946 to Helicopter Air Transport . [ 3 ] More than 5,600 Bell 47s were produced, including those under license by Agusta in Italy, Kawasaki Heavy Industries in Japan, and Westland Aircraft in the United ...
In 1969, he moved to Hughes Helicopters to work on a variety of research and development projects, including a new tail rotor for the Hughes 500 helicopter and work on "The Quiet One" program. [2] The R44 Raven II, a successor of the Robinson R22. Robinson resigned from Hughes in 1973 and founded the Robinson Helicopter Company (RHC). [3]