Developed in 1953, designated YHO-3BR in the US Army. A two-seat helicopter with wheel-skid combination landing gear. As the maiden flight, the first prototype flew in 1943; the second prototype flew in 1946 before the B-2 received its FAA certification [Ref 312].
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 1-2 in Side-by-side arrangement
Landing gear: Other