资讯

In the 1950s, Lockheed engineers attempted the impossible - to design an aircraft that could take off like a plane, then fly like a helicopter. The result was the Flying CARR, a radical tilt-wing ...
Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above its height limit The helicopter's altitude-measuring instrument was ...
Helicopter hoist rescues have continued at ‘crazy pace’ in Colorado this summer Civilian search and rescue volunteers are swinging in on a pencil-thin cable attached to military helicopters to ...