FIELD: aircraft manufacture. SUBSTANCE: aircraft has fuselage 1 of round section with air intake 2 and crew cabin 3 in nose portion, engine 4 located in tail section of fuselage 1, variable-sweep wing 5 with high-lift devices made in form of tiltable flaps 6 on trailing edge of wing 5 and with pylon mounted on fixed part of wing 5, tail unit of standard configuration and three-leg landing gear with nose wheel 9. Innovation of invention consists in availability of fixed portion of wing 5 with speed-brake flap 18, additional lifting surfaces 14 which are movable relative to tip of wing 5, pylon made in form of additional vertical tail 11 with rudder 12; pylon is mounted above wing 5 in its nose portion. Additional lifting surface 14 is provided with bypass valves fitted on its lower surface and slit 17 on trailing edge. EFFECT: enhanced reliability. 5 dwg
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