Equipped with an Emergency Escape System, severing the rotor blades to allow the crew of the 3-place aircraft to escape topside; afterward, it enters the Airplane Configuration.
Hover flight is not possible; take-off and landings are STOL/CTOL. 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: Compound Helicopter
Compound type: Lift and Thrust compounded with 2 propulsors
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 2-3 in Side-by-side arrangement
Landing gear: Wheels (some retractable)