Beginning development in 1945, known as the XH-39 by the U.S. Army.
Design authority: Sikorsky Aircraft Division, United Aircraft and Transport Corporation
Primary manufacturer: Sikorsky Aircraft Division, United Aircraft and Transport Corporation
Parent type: No type defined
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 (all retractable)