Boeing's Hummingbird UAV hums along
A disparate pair of aviation R&D projects at Boeing have hit milestones recently.
The A160T Hummingbird, a helicopter-style unmanned aerial vehicle, last week flew for 18.7 hours without refueling, an accomplishment that Boeing described Wednesday as an "unofficial world endurance record" for UAVs between 500 and 2,500 kilograms (about 1,100 to 5,500 pounds)--a record that's pending certification by a key aeronautical sanctioning body.
But the record books aside, the flight also helps to show the Hummingbird's mettle as a potential aircraft for military use. During the flight, the turbine-powered … Read more