The Westland WS-51 Dragonfly helicopter was built by Westland Aircraft and is an Anglicised licence-built version of the American Sikorsky S-51.
Dragonfly HR.3 of 705 Naval Air Squadron Royal Navy in 1955
Japan Maritime Self Defence Force S-51
British European Airways Sikorsky S-51 in 1953
WS-51 Mk.1A in Royal Thai Air Force Museum in December 2014
The Sikorsky H-5 is a helicopter built by Sikorsky Aircraft Corporation.
Westland WS-51 Dragonfly
…The Westland WS-51 Dragonfly helicopter was built by Westland Aircraft and is an Anglicised licence-built version of the American Sikorsky S-51. On 19 January 1947 an agreement was signed between Westland Aircraft and Sikorsky to allow a British version of the S-51 to be manufactured under…
A Sikorsky HO3S-1 of Helicopter Utility Squadron 1 (HU-1) takes off from USS New Jersey
U.S. Air Force H-5D takes off post-World War II.
Instrument panel of the S-51
A U.S. Navy HO3S-1 in action during the Korean War (1950–1953).