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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.
First purpose-built jet bomber to fly: was the Arado Ar 234 which made its first flight on July 30, 1943. [ 213 ] First rocket-powered aircraft used in combat : Major Späte of the EK 16 service test unit flew a Messerschmitt Me 163 B Komet interceptor against Allied aircraft on May 13, 1944.
Two years later, on 26 March 1954, a modified Navy HTK-1, another Kaman helicopter, became the first twin-turbine helicopter to fly. [96] However, it was the Sud Aviation Alouette II that would become the first helicopter to be produced with a turbine-engine. [97]
The first "free" flight of the VS-300 was on 13 May 1940. [2] The VS-300 was the first successful single lifting rotor helicopter in the United States and the first successful helicopter to use a single vertical-plane tail rotor configuration for antitorque. With floats attached, it became the first practical amphibious helicopter.
The first free flight of Ship 1 was carried out on June 26, 1943, [4] only the third American helicopter to fly. [5] The Ship 1 prototype registration NX41860 had an open cockpit, an enclosed fuselage for the Franklin piston engine, and fixed three-wheel landing gear. [2] The engine drove a two-bladed main rotor and a two-bladed anti-torque ...
The Cornu helicopter was an experimental helicopter built in France, and is widely credited with the first free flight of a rotary-wing aircraft when it took to the air on 13 November 1907. Built by bicycle -maker Paul Cornu , it was an open-framework structure built around a curved steel tube that carried a rotor at either end, and the engine ...
Charles Page of Pineville built the first airship, and Leo Ortego of Alexandria built the first working manned 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 ...