FIELD: aviation; construction of lifting surfaces. SUBSTANCE: wing tip is made in the form of nacelle at high passage-to-midsection area ratio; wing tip forms incoming jet directed to trailing edge. Nacelle may be swivel and may be provided with tangential nozzle for supply of compressed air to direct the jet to side opposite to vortex rotation. EFFECT: improved lifting characteristics and enhanced efficiency of aircraft control at takeoff and landing. 7 cl, 5 dwg
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