A160T Hummingbird MALE UAV

Before it was cancelled, the A160T Hummingbird medium-altitude long-range (MALE) unmanned aerial vehicle was under development for a number of missions. It was considered for long-endurance intelligence, surveillance and reconnaissance (ISR), communications relay and cargo resupply missions.

Intended as a vertical takeoff and landing (VTOL) aircraft, the A160 had an endurance design based on the use of a rigid variable-speed rotor. It had a conventional main-tail-rotor helicopter...