The aircraft was built by Doman and later financed by Curiss Wright (as a development vehicle). The aircraft was designated as the CW-40 by Curtiss Wright.
The aircraft was an 8 place machine.
Tthe aircraft also served as the prototype fro the LZ-5 (YH-31).
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 1 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)