Technology / Aviation / Rotorcraft: A heavier-than-air aircraft that depends principally for its support in flight on the lift generated by one or more rotors. Includes helicopters and gyroplanes.
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Technology / Aviation / Gyroplane: A rotorcraft whose rotors are not engine-driven, except for initial starting, but are made to rotate by action of the air when the rotorcraft is moving and whose means of propulsion, usually a convent MORE
Technology / Aviation / Helicopter: A wingless aircraft acquiring its lift from revolving blades driven by an engine about a near-vertical axis. A ROTORCRAFT acquiring its primary motion from engine-driven rotors that accelerate the air MORE
Technology / Aviation / Light Sport Aircraft: Special FAA certification class (LSA) for an aircraft other than a helicopter or powered-lift?€”single-engine aircraft, airship, balloon, GLIDER, GYROCOPTER, ROTORCRAFT, weight-shift-control aircr MORE