The Unmanned Little Bird H-6U is the unmanned variant of the AH-6i manned scout helicopter. Its unique design combines the autonomous flight capability, networked payloads and communications of an unmanned aerial vehicle with a combat-proven rotorcraft platform. The unmanned system provides over-the-horizon search, re-supply and retrograde, communications relay and surveillance capabilities. All with a low-risk approach, low operational costs and high flight readiness on a proven platform. Quick Facts Has 27.5-foot (8.38-meter) main rotor diameter with blade fold capability Based on an FAA and military-qualified manned platform Can demonstrate compliance to be under CAT I and II MTRC levels Capable of flying missions autonomously from takeoff to landing with very high precision and accuracy Features an open architecture design that allows U.S.-government-appr oved design enhancements to be incorporated easily Leverages existing logistics, documentation and training of the manned helicopter platform Technical Specifications Rotor Diameter 27.5 ft (8.38 m) Max Speed 145 KTAS Ceiling 20,000 ft (6,100 m) Empty weight 2,200 lbs (998 kg) manned, 1,900 lbs (862 kg) unmanned Useful payload 1,200 lbs (544 kg) manned, 1,400 lbs (635 kg) unmanned Command Link Ku-band TCDL Electrical Power 11kW @ 28VDC Command and Control STANAG 4586 Compliant Endurance About 6 hours Mission Planning Pre-launch and dynamic during mission Autonomy Waypoint control from take-off to landing Navigation Fixed (land-based) or relative (sea-based)