The Robinson Helicopter Company R44 Raven II helicopter, the type involved in a fatal crash in Houston Sunday is a popular aircraft for private pilots and law enforcement. A helicopter had crashed ...
This is the gut-wrenching moment a helicopter crashes after becoming entangled in overhead cables, killing everyone on board.
Light rotorcraft maker Robinson Helicopter and biotechnology firm United Therapeutics recently ground tested an R44 modified with hydrogen fuel cells, and the companies say test flights are imminent.
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