VICTORVILLE, Calif. – Boeing is beginning an intensive flight-test period in its A160T Hummingbird rotary unmanned aerial vehicle (UAV) program with upcoming evaluation of stub wings, a two-speed ...
HUMMING BIRD: Boeing announced Dec. 18 its A160 Turbine (A160T) Hummingbird unmanned rotorcraft has achieved two milestones: using its two-speed transmission to change gears in flight and passing the ...
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