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The Sikorsky–Boeing SB-1 Defiant (stylized as " SB>1 "; company designation S-100) was the Sikorsky Aircraft and Boeing entry for the United States Army 's Future Long-Range Assault Aircraft program to replace the Sikorsky UH-60 Black Hawk. It is a compound helicopter with rigid coaxial rotors, powered by two Honeywell T55 turboshaft engines ...
The Sikorsky R-4 is a two-seat helicopter that was designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. 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 ...
used as the official helicopters of the President of the United States Marine One. 1959. 1961. 1500. Sikorsky S-61R. Medium-lift transport/SAR helicopter. Sikorsky Aircraft Corporation. The S-61R served in the United States Air Force and in the United States Coast Guard. 1959.
The Sikorsky CH-53E Super Stallion is a heavy lift helicopter operated by the United States military. As the Sikorsky S-80, it was developed from the CH-53 Sea Stallion, mainly by adding a third engine, adding a seventh blade to the main rotor, and canting the tail rotor 20°. It was built by Sikorsky Aircraft for the United States Marine Corps.
The Rotorfly R-30 helicopter is a coaxial helicopter with two two-blade fiberglass rotors. The control rods of the upper main rotor are located inside the shaft which reduces turbulence, It has been described as a hingeless teetering blade mount. [2] The aircraft claimed to be very quiet in general. [5]
1958–1970. Number built. 382. Developed from. Sikorsky H-34. The Westland Wessex is a British-built turbine-powered development of the Sikorsky H-34. It was developed and produced under licence by Westland Aircraft (later Westland Helicopters ). One of the main changes from Sikorsky's H-34 was the replacement of the piston-engine powerplant ...
Number built. 2. The Boeing–Sikorsky RAH-66 Comanche is an American stealth armed reconnaissance and attack helicopter designed for the United States Army. Following decades of study and development, the RAH-66 program was cancelled in 2004 before mass production began, by which point nearly US$ 7 billion had been spent on the program.
Military helicopter. A UH-60 Black Hawk operated by the Royal Jordanian Air Force. A military helicopter is a helicopter that is either specifically built or converted for use by military forces. A military helicopter's mission is a function of its design or conversion. The most common use of military helicopters is transport of troops, but ...
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