Sikorsky S-53
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
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The Sikorsky XHJS-1 (manufacturer designation S-53), was developed by Sikorsky Aircraft to meet a Naval requirement for a utility helicopter.
The XHJS-1 was not ordered into production and only two prototypes were built.
Powered by a 525 hp (391 kW) Continental R-975-34 the S-53 was a development of the S-51 designed for use on aircraft carriers.
The tail rotor was raised above head-height to give more clearance and the landing gear was made stronger to enable operations from a moving deck.
