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The helicopter was tested at McCook's Field and remained airborne for 2 minutes and 45 seconds at a height of 15 feet. [62] On 14 April 1924, Frenchman Étienne Oehmichen set the first helicopter world record recognized by the Fédération Aéronautique Internationale (FAI), flying his quadrotor helicopter 360 meters (1,180 ft). [63]
U.S. Army personnel were on board, but the flying was done by helicopter. During a two-hour flight, the Black Hawk featured terrain sensing, trajectory generation, threat avoidance, and autonomous flight control. It was fitted with a 3D-LZ laser detection and ranging system. The autonomous flight was performed between 200 and 400 feet.
The Bell UH-1 Iroquois (nicknamed "Huey") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter.It is the first member of the prolific Huey family, as well as the first turbine-powered helicopter in service with the United States military.
It can fly at 140 kn (161 mph; 259 km/h) for six to seven hours. [13] With a fuel capacity of 6,460 lb (2,930 kg), the helicopter is designed to fly a crew of four up to 300 mi (483 km) offshore, hoist up to six additional people on board while remaining on-scene for up to 45 minutes and return to base while maintaining an adequate fuel reserve.
Helicopters with fly-by-wire systems allow a cyclic-style controller to be mounted to the side of the pilot seat. The cyclic is used to control the main rotor in order to change the helicopter's direction of movement. In a hover, the cyclic controls the movement of the helicopter forward, back, and laterally.
A manned multirotor helicopter that was flying in the 2010s had 18 electrically powered rotors; the single seat aircraft is powered by batteries. [ 36 ] The first aerobatic manned drone, as this type of electrically powered multi-rotor helicopter is known, had 12 rotors and could carry 1-2 people.
The Boeing CH-47 Chinook is a tandem-rotor helicopter originally developed by American rotorcraft company Vertol and now manufactured by Boeing Defense, Space & Security.The Chinook is a heavy-lift helicopter that is among the heaviest lifting Western helicopters.
Each type of helicopter has a specific airspeed at which a power-off glide is most efficient. The best airspeed is the one that combines the greatest glide range with the slowest rate of descent. The specific airspeed is different for each type of helicopter, yet certain factors (density altitude, wind) affect all configurations in the same manner.