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Sikorsky Aircraft Aircraft Information

Sikorsky Aircraft

Industry: Aviation
Founded: 1925
Founder(s): Igor Sikorsky
Headquarters: Stratford, Connecticut, USA
Parent: United Technologies Corporation
Subsidiaries: Schweizer Aircraft PZL Mielec

The Sikorsky Aircraft Corporation is an American aircraft manufacturer based in Stratford, Connecticut


Sikorsky was founded in 1925 by aircraft engineer Igor Sikorsky, a Kiev-born American immigrant. The company, named "Sikorsky Manufacturing Company", began aircraft production in Roosevelt, New York that year. In 1929 the company moved to Stratford, Connecticut. It became a part of United Aircraft and Transport Corporation (now United Technologies Corporation) in July of that year.

Igor Sikorsky developed the Sikorsky R-4, the first stable, single-rotor, fully-controllable helicopter to enter large full-scale production in 1942, upon which the majority of subsequent helicopters were based (though he did not invent the helicopter itself).

Sikorsky Aircraft remains one of the leading helicopter manufacturers, producing such well-known models as the UH-60 Black Hawk and SH-60 Seahawk, as well as experimental types like the Sikorsky S-72 X-Wing. It is a leading defense contractor. Sikorsky has supplied the helicopter for the President of the United States since 1957. Sikorsky's VH-3 and VH-60 currently perform this role.

The company acquired Helicopter Support Inc. (HSI) in 1998. HSI handles non-U.S. government after-market support for parts and repair for the Sikorsky product lines.

UTC acquired Schweizer Aircraft Corp. in 2004, which now operates as a subsidiary of Sikorsky. The product lines of the two firms are complementary, and have very little overlap, as Sikorsky primarily concentrates on medium and large helicopters, while Schweizer produces small helicopters, UAVs, gliders, and light planes. The Schweizer deal was signed on August 26, 2004, exactly one week after the death of Paul Schweizer, the company's founder and majority owner. In late 2005, Sikorsky completed the purchase of Keystone Helicopter Corporation, located in Coatesville, Pennsylvania. Keystone had been maintaining and completing Sikorsky S-76 and S-92 helicopters prior to the sale.

In 2007, Sikorsky opened the Hawk Works, a Rapid Prototyping and Military Derivatives Completion Center (RPMDCC) located west of the Elmira-Corning Regional Airport in Big Flats, New York. That same year Sikorsky purchased the PZL Mielec plant in Poland. The plant is assembling the S-70i for international customers.

Sikorsky's main plant and administrative offices are located in Stratford, Connecticut. Other Sikorsky facilities are in Shelton, and Bridgeport, Connecticut; Fort Worth, Texas; West Palm Beach, Florida; and Troy, Alabama. Other Sikorsky-owned subsidiaries are in Trumbull, Connecticut; Coatesville, Pennsylvania; and Grand Prairie, Texas; among others around the world.

In February 2009, Sikorsky Global Helicopters was created as a business unit of Sikorsky Aircraft to focus on the construction and marketing of commercial helicopters. The business unit combines the main civil helicopters that were produced by Sikorsky Aircraft and the helicopter business of Schweizer Aircraft that Sikorsky has acquired in 2004. It is based at Coatesville, Pennsylvania.


Sikorsky designates nearly all of its models with S-numbers; numbers S-1 through S-20 were designed by Igor Sikorsky in Russia (see Igor Sikorsky). 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: twin-engine cargo biplane. First Sikorsky built in the U.S.
Sikorsky S-30: twin-engine, never built. (1925)
Sikorsky S-31: single-engine biplane (1925)
Sikorsky S-32: single-engine two-passenger biplane (1926)
Sikorsky S-33: "Messenger" single-engine biplane (1925)
Sikorsky S-34: twin-engine flying boat prototype. (1927)
Sikorsky S-35: three-engine biplane prototype (1926)
Sikorsky S-36: eight-seat two-engine flying boat "Amphibion" (1927)
Sikorsky S-37: "Guardian" eight-seat two-engine biplane (1927)
Sikorsky S-38: eight-seat two-engine boat flying boat (USN PS) (1928-1933)
Sikorsky S-39: five-seat single-engine variant of S-38 (1929-1932)
Sikorsky S-40: "Flying Forest" four-engine 28-passenger flying boat (1931)
Sikorsky S-41: twin-engine flying boat (1931)
Sikorsky S-42: "Clipper" four-engine flying boat (1934-1935)
Sikorsky S-43: "Baby Clipper" twin-engine amphibious flying boat (1935-1937) (Army OA-1, USN JRS-1)
Sikorsky VS-44: four-engined flying boat (1937)
Sikorsky S-45: six-engine flying boat (for Pan Am). Never built.


Sikorsky S-47 (R-4): world's first production helicopter. (1940)
Sikorsky S-48 (R-5/H-5): helicopter designed with higher load, endurance, speed, and service ceiling than the R-4 (1943)
Sikorsky S-49 (R-6): improved R-4 with new fuselage
Sikorsky S-51: Larger, civil H-5. World's second certified commercial helicopter (1946)
Sikorsky S-52 (H-18/HO5S): helicopter with all-metal rotors (1947)
Sikorsky S-53 (XHJS-1) naval utility helicopter (1947)
Sikorsky S-55: Ten passenger utility helicopter, H-19 Chickasaw (1949)
Sikorsky S-56: twin-engined helicopter, H-37A Mojave (1953)
Sikorsky S-58: Eighteen passenger utility helicopter, larger more advanced than the S-55. Also available in ASW, VIP versions (1954)
Sikorsky S-59 (XH-39): 2 H-18s converted to use one turboshaft engine (1953)
Sikorsky S-60: prototype "flying crane" helicopter, crashed 1961 (1959)
Sikorsky S-61: SH-3 Sea King; ASW, SAR or transport helicopter (1959)
Sikorsky S-61R: redesigned S-61 with rear cargo ramp; CH-3, HH-3 "Jolly Green Giant", and HH-3F Pelican (1963)
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 medium/heavy lift helicopter (1964)
Sikorsky S-66 S-67 predecessor, AAFSS competitor to the Lockheed AH-56 Cheyenne
Sikorsky S-67 Blackhawk: prototype attack helicopter (1970)
Sikorsky S-69: prototype with contra-rotating co-axial rotors, twin conventional tail (1973)
Sikorsky S-70: UH-60 Black Hawk, SH-60 Seahawk (1974)
Sikorsky S-72: rotor systems research for NASA (1975)
Sikorsky S-75: Advanced Composite Airframe Program (ACAP) all-composite proof of concept helicopter (1984)
Sikorsky S-76 Spirit: 14-seat commercial (1977)
Sikorsky S-80: CH-53E/MH-53E Super Stallion heavy lift helicopter (1974)
Sikorsky S-92 and military H-92 Superhawk and CH-148 Cyclone (1995)
Sikorsky S-97 proposed design for the United States Army Armed Aerial Scout programme.
Sikorsky S-300C
Sikorsky S-333
Sikorsky S-434
Sikorsky X2: concept demonstrator with twin, contra-rotating rotors and a pusher prop.

Other aircraft

Sikorsky S-57/XV-2: Supersonic convertiplane with single blade retractable rotor. Never built.
Sikorsky Cypher: Doughnut-shaped UAV (1992)
Sikorsky Cypher II: development of above (2001)

Other products

UAC TurboTrain (1968)
Sikorsky ASPB Assault Support Patrol Boat (1969)


H-34 Choctaw

CH-124 Sea King

CH-54 Tarhe

CH-53E Super Stallion

MH-53J Pave Low III

UH-60 Black Hawk


Igor Sikorsky

Sikorsky Aircraft Pictures

More aircraft.

Source: WikiPedia

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