A continuation of the K-2, equipped instead with a Kinner C-5 engine (210 hp).
Design authority: Kellett Autogiro Corporation
Primary manufacturer: Kellett Autogiro Corporation
Parent type: No type defined
Aircraft status: No longer flying
VTOL type: Gyroplane
Compound type: N/A compounded with 1 propulsors
Lift devices: 1 Single main rotor
Dedicated control device: 1 Rudder
Crew required: 1 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)