Developed in 1954 as a multirole helicopter. Known as H-34A Choctaw by the U.S. Army, HUS-1 in the U.S. Marines, and HSS-1 in the U.S. Navy as an ASW helicopter.
Design authority: Sikorsky Aircraft Corp.
Primary manufacturer: Sikorsky Aircraft Corp.
Parent type: Sikorsky S-58/H-34
Aircraft status: No longer flying
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 2 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)