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Dragonfly HC.2 Casualty evacuation helicopter for the Royal Air Force similar to the commercial Mark 1A, 2 built and one-conversion from a civil Mark 1A. Dragonfly HR.3 Air-sea search and rescue helicopter for the Royal Navy. Similar to the Dragonfly HR.1, but fitted with all-metal rotor blades, 71 built some later modified as HR.5s. Dragonfly HC.4
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).
Three Dragonfly Series 1As were converted to WS-51 Series 2 Widgeon specifications and the first one flew on 23 August 1955. One of these conversions, registration G-ANLW, was the first helicopter to land at the London Heliport on 8 April 1959, and later appeared in the 1971 film, When Eight Bells Toll .
The helicopter battalions are often grouped into aviation brigades. There are also a few fixed-wing aircraft battalions, consisting of training aircraft, Beechcraft RC-12 Guardrail operational aircraft, and Beechcraft C-12 Huron / Cessna UC-35 transports for VIP personnel.
H-19 at National Museum of the United States Air Force, showing unusual mounting of engine. Major innovations implemented on the H-19 were the forward placement of the engine below the crew compartment and in front of the main cabin, the use of offset flapping hinges located nine inches (230 mm) from the center of the rotor, and the use of hydraulic servos for the main rotor controls.
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Westland Aircraft was founded in 1935 when Petters Limited split its aircraft manufacturing from its aircraft engine concerns. During the Second World War the company produced military aircraft including the Lysander, the Whirlwind and the Welkin. After the war, the company began to build helicopters under a licensing agreement with Sikorsky ...
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