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The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1.
Avro 671 "Rota" Mk.1 (licence-built Cierva C.30A) (general purpose autogyro - used for radar station testing) Bristol "Heliogyro" RI/II (experimental helicopter) Cierva W.5 - 2-seater twin outrigger rotor helicopter, first flight 1938. Cierva W.6 - twin rotor helicopter, flown in 1939; Cierva W.9 - jet efflux torque compensation design. Built ...
The Korean war was the first time the helicopter was used extensively in a conflict. [107] While helicopters such as the Sikorsky YR-4 were used in World War II, [109] their use was rare, and Jeeps like the Willys MB were the main method of removing an injured soldier.
First helicopter tested by the USAAF. [1] 1941 Never 2 Sikorsky R-4: Sikorsky Aircraft Corporation: World's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces. [2] 1942 Unknown 131 Sikorsky H-5: Sikorsky Aircraft Corporation 1943 1945 300 Sikorsky R-6: Sikorsky Aircraft Corporation ...
The Focke-Achgelis Fa 223 Drache (English: Dragon [1]) was a helicopter developed by Germany during World War II. A single 750-kilowatt (1,010 hp) Bramo 323 radial engine powered two three-bladed 11.9-metre (39 ft) rotors mounted on twin booms on either side of the 12.2-metre-long (40 ft) cylindrical fuselage.
The list of aircraft of World War II includes all of the aircraft used by countries which were at war during World War II from the period between when the country joined the war and the time the country withdrew from it, or when the war ended.
During World War II, Flettner Fl 282s were used in Germany for reconnaissance, and Sikorsky R-4s were used by the United States to rescue downed aircrews and injured personnel in remote areas of the China Burma India Theater, from April 1944 until the war's end. The use of helicopters for rescue during combat increased during the Korean War and ...
On 11 December 1951, the Kaman K-225 became the first turbine-powered helicopter in the world. Two years later, on 26 March 1954, a modified Navy HTK-1, another Kaman helicopter, became the first twin-turbine helicopter to fly. [97] However, it was the Sud Aviation Alouette II that would become the first helicopter to be produced with a turbine ...