The actual designation is X3.
The aircraft is now on display at the French national Musée de l’Air et de l’Espace (Air and Space museum) at Paris-Le Bourget airport.
VTOL type: Compound Helicopter
Compound type: Lift and Thrust compounded with 2 propulsors
Lift devices: 1 Single main rotor
Dedicated control device: 0 Other
Crew required: 2 in Side-by-side arrangement
Landing gear: Wheels (all retractable)