SANFORD -- Brad Clark is riding high these days and for good reason. His Hummingbird helicopter, the world's only four-seat kit helicopter, was the subject of a very favorable cover story in the ...
Vertical Aviation Technologies purchased the type certificate for the Sikorsky S-52 and plans to launch a commercial version, the S-52L Hummingbird. The S-52L is a redesigned four-place helicopter ...
Vertical Aviation Technologies has given its four-place kit helicopter, the Hummingbird, a new look for 2007: a composite carbon-fiber upper fairing that e ...
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