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heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight through the dynamic action of the air.
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an airplane with a single wing. In the early 20th century wings were called planes, since they were thin and often flat. They were fastened to the airplane with wires, cables, or steel bands (wire-braced monoplanes) or with struts (strutted monoplanes). Later the use of high-strength materials made possible the elimination of braces and struts (cantilever monoplanes). The wing of a cantilever monoplane is heavier than the wing of a biplane. However, this drawback is balanced by better flying performance.
Monoplanes are classified as high-wing, mid-wing, or low-wing types, according to the position of the wing relative to the fuselage. Cantilever monoplanes are now universally used; however, braced and strutted monoplanes are still used in light aviation and sportflying.