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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.
Ingenuity flew 10 feet above the Martian surface on Monday and snapped a photo of its shadow from the air. NASA expects to get video soon.
Officials at the U.S. space agency hailed the brief flight of the 4-pound (1.8-kg) rotorcraft as an achievement that would help pave the way for a new mode of aerial exploration on Mars and other ...
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.
First nonstop around-the-world flight: Starting on February 26, Capt. James Gallagher and his crew refuelled inflight four times in Boeing B-50A Superfortress Lucky Lady II while flying around the world, to return to where they started at Carswell AFB in Texas on March 2, 1949.
The Sikorsky Firefly is an all-electric helicopter built for research purposes by Sikorsky Aircraft. It has been called the world's "first all-electric helicopter". [1] The Firefly is a modified Sikorsky S-300C helicopter with its engine replaced by an electric motor and two lithium-ion battery packs. The helicopter would hold only the pilot ...
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 ...
Chief Engineer for Ingenuity helicopter, which made the first extraterrestrial powered, controlled flight on April 19, 2021: Awards: John L. “Jack” Swigert, Jr. Award for Space Exploration from the Space Foundation. [1] Scientific career: Fields: Computer and Systems Engineering, space science: Institutions: NASA Jet Propulsion Laboratory