Sikorsky Aircraft Corporation

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Sikorsky is an American helicopter manufacturer founded in 1923 by the Russian/Polish born American Igor Sikorsky, the inventor of the first successful helicopter design, upon which the majority of subsequent helicopters were based (though he did not invent the helicopter itself). The company is now a subsidiary of United Technologies Corporation (UTC), but remains one of the leading helicopter manufacturers, producing such well-known models as the UH-60 Black Hawk and SH-60 Sea Hawk, as well as some experimental ones like the Sikorsky X-Wing. It is a leading defense contractor, and is currently in the running for the contract to produce Marine One, the helicopter of the President of the United States.

UTC is in the process of acquiring Schweizer, and will merge it with Sikorsky. The product lines of the two firms are complementary, and have very little overlap, as Sikorsky primarily concentrates on large helicopters, and Schweizer concentrates on small helicopters, UAVs, gliders, and light planes. The Schweizer deal was signed on August 26, 2004, exactly one week to the day after the death of Paul Schweizer, the company's founder and majority owner.

Aircraft

Sikorsky designates nearly all of its models with S-numbers; numbers S-1 through S-20 were designed by Igor Sikorsky in Russia. Later models, especially helicopters, received multiple designations by the military services using them, often depending on purpose (UH, SH, and MH for instance), even if the physical craft had only minor variations in equipment. In some cases, the aircraft were returned to Sikorsky or to another manufacturer and additionally modified, resulting in still further variants on the same basic model number.

• Sikorsky S-29-A
• Sikorsky S-30
• Sikorsky S-31
• Sikorsky S-32
• Sikorsky S-33
• Sikorsky S-34
• Sikorsky S-35
• Sikorsky S-36 - 8-seat two-engine flying boat
• Sikorsky S-38 - 8-seat two-engine flying boat (1928)
• Sikorsky S-39 - five-seat single-engine variant of S-38
• Sikorsky S-40 - successful 28-passenger flying boat (1931)
• Sikorsky S-41
• Sikorsky S-42 - four-engine flying boat
• Sikorsky S-43 - two-engine version of S-41
• Sikorsky S-52 - helicopter with all-metal rotors (1947)
• Sikorsky S-55 - utility helicopter (1949)
• Sikorsky S-56 - twin-engined helicopter, H-37A Mojave (1953)
• Sikorsky S-58 - improved S-55 (1954)
• Sikorsky S-60 - prototype "flying crane" helicopter, crashed 1961 (1959)
• Sikorsky S-61 - ASW helicopter, many variants including HH-3 "Jolly Green Giant" (1959)
• Sikorsky S-62 - HH-52 Seaguard amphibious helicopter (1958)
• Sikorsky S-64 - CH-54 Tarhe "flying crane" (1962)
• Sikorsky S-65 - CH-53 Sea Stallion, CH-53E Super Stallion heavy lift helicopters (1964, 1974)
• Sikorsky S-67 - prototype attack helicopter (1970)
• Sikorsky S-69 - prototype with counterrotating props, no tail (1972?)
• Sikorsky S-70 - UH-60 Black Hawk, SH-60 Sea Hawk (1974)
• Sikorsky S-72 - rotor systems research for NASA (1987)
• Sikorsky S-76 Spirit - 14-seat commercial (1977)
• Sikorsky S-92

• Sikorsky Cypher - Doughnut-shaped UAV (1992)
• Sikorsky Cypher II - development of above (2001)

External link

• Sikorsky homepage (http://www.sikorsky.com)

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de:Sikorsky ja:シコルスキー社

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