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 configuration: Single main rotor
Dedicated control device: Tail rotor
Crew required: 1
Crew seating: Side-by-side
Landing gear: Wheels (non-retractable)
Overall Width: 14.63 m (48.0 ft)
Max Gross Weight (ground): 2132 kg (4700 lb)
Max Range: 338 km (183 nm)