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Westland-Sikorsky WS-51 Mk.1A Civil transport helicopter powered by a 520 hp (388 kW) Alvis Leonides 521/1 radial piston engine, 36 built. Westland-Sikorsky WS-51 Mk.1B Civil transport helicopter powered by a 450 hp (336 kW) Pratt & Whitney R-985 Wasp Junior B4 radial piston engine, 15 built.
The Sikorsky H-5 (initially designated R-5 [a] and also known as S-48, S-51 and by company designation VS-327 [1]) is a helicopter built by Sikorsky Aircraft Corporation.. It was used by the United States Air Force, and its predecessor, the United States Army Air Forces, as well as the United States Navy and United States Coast Guard (with the designations HO2S and HO3S).
The split, which became known as the Westland affair, was over whether to push the company into a European deal or accept the US company's offer. Eventually, the link with Sikorsky was accepted. [4] This saw both Sikorsky and Fiat acquire minority shareholdings in Westland. [5] In 1988 GKN bought a 22% share of Westland from Hanson plc and Fiat ...
Westland Wessex a turbine-powered version of the Sikorsky S-58; Westland Whirlwind a license-built version of the U.S. Sikorsky S-55/H-19 Chickasaw with British engines. Westland Widgeon a private venture by Westland Aircraft as an improvement on the Westland WS-51 Dragonfly; Westland Westminster (1958) – heavy lift helicopter, private ...
The Westland affair originated with Alan Bristow's bid for the company in April 1985. By June, Bristow was threatening to end his bid unless the Government assured him that there would be future orders for the company from the Ministry of Defence and that the repayment of over £40 million of launch aid for Westland's newest helicopter from the Department of Trade and Industry was waived.
BEA's S-51, G-AJHW, seen at an unspecified location in 1953 Hay Mills Rotor Station (or Rotorstation ) was a helidrome in the Hay Mills district of southern Birmingham , England, which was operational from 1951 to 1954.
Westland Aircraft decided to make a private venture improvement on the Westland WS-51 Dragonfly helicopter, which was a licensed Sikorsky Aircraft design, by increasing the cabin capacity and replacing the Dragonfly's rotor head, blades and gearbox with the units used in the Westland Whirlwind.
In 1950, Westland Aircraft, already building the American Sikorsky S-51 under licence as the Westland Dragonfly, purchased the rights to manufacture and sell Sikorsky's larger Sikorsky S-55 helicopter. While a Sikorsky-built pattern aircraft was flown by Westland in June 1951, converting the design to meet British standards (including the ...