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United States helicopters by decade of first flight 1910s • 1920s • 1930s • 1940s • 1950s • 1960s • 1970s • 1980s • 1990s • 2000s • 2010s • 2020s
Helicopters by decade of first flight 1900s • 1910s • 1920s • 1930s • 1940s • 1950s • 1960s • 1970s • 1980s • 1990s • 2000s • 2010s • 2020s
The prototype Bell Model 61 first flew on 3 March 1953; it had been designed to meet a United States Navy requirement for an anti-submarine warfare helicopter. In June 1950, the Model 61 was announced as the winner of the competition, and three XHSL-1 evaluation aircraft were ordered. The Model 61 had a rectangular-section fuselage structure ...
21 September 1950, first helicopter to fly over the Alps. [11] 17 September 1952, Bell pilot Elton J. Smith set a world distance record for piston helicopters of 1,217 miles (1,959 km) by flying nonstop from Hurst, Texas, to Buffalo, New York. [11] As of 2018, this record still stands. [12]
The Sikorsky CH-37 Mojave (company designation S-56) is an American large heavy-lift military helicopter of the 1950s. It entered service as the HR2S-1 Deuce with USMC in 1956, and as the H-37A Mojave with the U.S. Army that same year.
Light observation helicopter Bell Aircraft Corporation: Bell 47 variant. 1945 1946 2407 Bell H-12: Military utility helicopter Bell Aircraft: Company Model 48: 1946 Never 13 [3] Kellett XR-10: Military transport helicopter Kellett Autogiro Corporation Prototype. Program canceled 1949. 1947 Never 2 Sikorsky S-52: Utility helicopter Sikorsky ...