A fixed-wing aircraft (commonly called airplane in North America (U.S. and Canada) and aeroplane in Commonwealth countries (other than Canada) and Ireland, from Greek: aéros- "air" and -planos "wandering" often shortened to just plane in both cases) is a heavier-than-air craft where movement of the wings in relation to the aircraft is not used to generate lift. The term is used to distinguish from rotary-wing aircraft, where the movement of the lift surfaces relative to the aircraft generates lift. A rarer type of aircraft that is neither fixed-wing nor rotary-wing is an ornithopter. A heliplane is both fixed-wing ......
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