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Boeing A-160T Hummingbird Unmanned Rotorcraft shifts gears in flight
Seattle, USA - Passes 100 flight-hours
Boeing announced that its A-160 Turbine (A-160T) Hummingbird unmanned rotorcraft has achieved two key milestones: using its two-speed transmission to change gears in flight, and passing the 100-flight-hour threshold. Breaking the 100-flight-hour mark shows how much the A-160T has matured since its first flight in June 2007. That first 12-minute flight set the stage for multiple endurance flights,...
AVIONEWS - World Aeronautical Press Agency