Pure helicopter configuration of the Rotor System Research Aircraft project; a 3-place helicopter. In addition to the turbofan propulors, the main transmission and tail rotor are powered by General Electric T58-GE-5 / T58-GE-10 engines. The equipped main rotor is that of the S-61 (H-3) while a conventional 5-blade tail rotor is used.
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 2 in Tandem arrangement
Landing gear: Wheels (some retractable)