It retained the nose-mounted piston engine with the drive shaft passing through the cockpit placed high above the cargo compartment. The Sikorsky S-58 was developed as a lengthened and more powerful version of the Sikorsky (model S-55) or UH-19 Chickasaw, with a similar nose, but with a tail-dragger rear fuselage and landing gear, rather than the high-tail, 4-post pattern. Navy HSS-1 with the sonar deployed, in 1960.ĬH-37C and UH-34D of the United States Marine Corps.
As one of the last piston-powered helicopter designs before its replacement by turbine-powered types such as the UH-1 Huey and CH-46 Sea Knight, it would see a remarkably long run of 2,108 H-34s produced between 19. Various H-34s served, mostly as medium transports, on every continent with the armed forces of twenty-five countries - from combat in Algeria, the Dominican Republic, Nicaragua, and throughout Southeast Asia, in roles such as saving flood victims, recovering astronauts, fighting fires, and carrying presidents. It has seen extended use when adapted to turbine power by the British licensee as the Westland Wessex and Sikorsky as the later S-58T. The Sikorsky H-34 Choctaw (company designation S-58) is a piston-engined military helicopter that was originally designed by American aircraft manufacturer Sikorsky for the United States Navy for service in the anti-submarine warfare (ASW) role. Out of production, still in civilian service
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