Initial prototype for the CH-53A. Also known by the company designation S-65.
Design authority: Sikorsky Aircraft Corp.
Primary manufacturer: Sikorsky Aircraft Corp.
Parent type: Sikorsky S-65/H-53
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)