An HTK-1 modified by the US Army and Navy by replacing the piston engine with a pair of Boeing 502-2 gas turbine engines, providing a combined power of 300 hp (224 kW) for continuous operation..
VTOL type: Helicopter
Lift configuration: Synchropter (x2)
Crew required: 1
Crew seating: Side-by-side
Landing gear: Wheels (non-retractable)
Total number of engines: 2