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The flight consisted of 246.5 hours of flight time at an average ground speed of 117 mph. It set a FAI world record for round the world flight time in a helicopter, averaging 35.4 mph. [6] Fog necessitated flying as low as 10 feet to follow roads. There were two incidents in India and Burma of being cited for unauthorized landings.
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.
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 World War II 1943 1945 225 Kellett R-8: Experimental helicopter Kellett Autogiro Corporation: Prototype.
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 ...
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 ...
Glenn Curtiss was born in 1878 in Hammondsport, New York, situated on the southern tip of Keuka Lake, one of the Finger Lakes in New York. His mother was Lua Curtiss née Andrews and his father was Frank Richmond Curtiss a harness maker who had arrived in Hammondsport with Glenn's grandparents in 1876.
In July 1957, a helicopter from the 1401st landed on the lawn of the White House to transport President Eisenhower, marking the unit's first presidential airlift flight. [3] In October 1957, the flight was transferred to Headquarters Command , which required renumbering it as the 1001st Helicopter Flight .
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