2 place helicopter.
Example is on display at the National Air and Space Museum, Udvar Hazy Center, Chantilly, VA
Design authority: Hiller Aircraft Corporation
Primary manufacturer: Hiller Aircraft Corporation
Parent type: No type defined
Aircraft status: No longer flying
VTOL type: Helicopter
Lift devices: 2 in Coaxial configuration
Crew required: 1 in Tandem arrangement
Landing gear: Wheels (non-retractable)