A rotorless 3-place airplane configuration of the NASA/DARPA Rotor Systems Research Aircraft (RSRA) project, redesignated S-72X. It is intended to serve as an emergency configuration required for operation if the rotor is severed by the Emergency Escape System. In addition to the turbofan propulors, the main transmission and conventional 5-blade tail rotor are powered by General Electric T58-GE-5 / T58-GE-10 engines.
VTOL type: Compound Helicopter
Compound type: Lift and Thrust compounded with 2 propulsors
Lift devices: 0 in Other configuration
Dedicated control device: 1 Tail rotor
Crew required: 2-3 in Side-by-side arrangement
Landing gear: Wheels (some retractable)