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A Bell 47 helicopter, an early example of a powered rotorcraft. A rotary-wing aircraft, rotorwing aircraft or rotorcraft is a heavier-than-air aircraft with rotary wings that spin around a vertical mast to generate lift. The assembly of several rotor blades mounted on a single mast is referred to as a rotor.
Aircraft with a cockpit/nacelle may be operated only by pilots with more than 50 hours of solo flight experience following the issue of their licence. Open-frame aircraft are restricted to a minimum speed of 30 mph (48 km/h; 26 kn), except in the flare. All aircraft are restricted to a Vne (maximum airspeed) of 70 mph (110 km/h; 61 kn)
Hillman Helicopter [52] Hughes Aircraft [53] Kaman Aircraft [54] Lockheed Martin – formerly Lockheed Aircraft [24] MD Helicopters – formerly McDonnell Douglas Corp [55] Piasecki Aircraft; Piasecki Helicopter – acquired by Boeing and became Boeing Vertol [39] Revolution Helicopter Corporation (defunct) – went out of business in November ...
Abrasion strips on helicopter rotor blades are made of metal, often titanium or nickel, which are very hard, but less hard than sand. When a helicopter flies low to the ground in desert environments, sand striking the rotor blade can cause erosion. At night, sand hitting the metal abrasion strip causes a visible corona or halo around the rotor ...
Most-produced Western helicopter; nicknamed "Huey". UH-1Y derivative in production. 1959–1976 Bell 206 Jetranger: 8,460: manufactured at Bell plants in United States and Canada: Also made under licence by Agusta in Italy and Commonwealth Aircraft Corporation in Australia: 1966–2010 Eurocopter AS350: 7,000 + [1] France: Airbus Helicopters ...
A key difference between the Kiowa Warrior and original AHIP aircraft is a universal weapons pylon found mounted on both sides of the fuselage, capable of carrying combinations of AGM-114 Hellfire missiles, air-to-air Stinger (ATAS) missiles, 7-shot 2.75 inches (70 mm) Hydra-70 rocket pods, [92] and an M296 0.50 in (12.7 mm) caliber machine gun.
A coaxial-rotor aircraft is an aircraft whose rotors are mounted one above the other on concentric shafts, with the same axis of rotation, but turning in opposite directions (contra-rotating). This rotor configuration is a feature of helicopters produced by the Russian Kamov helicopter design bureau .
One key innovation of the rotorcraft is the four-channel fly-by-wire control system employed; the NH90 is the first helicopter in the world to be equipped with full fly-by-wire flight controls. [ 3 ] [ 45 ] A four-axis autopilot is also integrated with the fly-by-wire system, as are mission and navigation systems, to enable greater autonomy ...