Vertical Aviation Technologies acquired the S-52 helicopter type certificate from Sikorsky and plans to release its own commercial version, the four-place S-52L Hummingbird. The S-52L will be a ...
Vintage Aviation News on MSN
Today in aviation history: First flight of the Lockheed XV-4 Hummingbird
Discover the Lockheed XV-4 Hummingbird, the experimental U.S. Army VTOL aircraft that helped advance vertical flight ...
What is it about VTOL military airplanes that billion-dollar aerospace companies just can't seem ever to get right? Well, as it happens, making a jet aircraft reliable at vertical takeoff and landing ...
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