AIRCRAFT WITH SHORT TAKE-OFF AND LANDING RUN Russian patent published in 1996 - IPC

FIELD: aircraft manufacture. SUBSTANCE: aircraft has fuselage 1 with crew cabin if nose portion, wing 3 with turbojet engines mounted on it and high-lift devices in form of tiltable flaps on trailing edge of wing 3 and vertical tail 6 and horizontal tail 7 of standard configuration. Innovation of invention consists in availability of additional lifting surfaces 8 above wing 3 in area of its tip and mounting of load-bearing pylons 10 made in form of partitions in area of joint of wing 3 and fuselage 1, as well as on engine along its axis and in center portion of wing 3. Pylons 10 are provided with guides 9 for motion of additional lifting surfaces over them; lifting surfaces 8 have convex upper surface and flat lower surface. Additional lifting surfaces are mounted under wing 3 in such position that they form convergent passage with upper surface of wing 3 and walls of pylons 10 in entire range of their motion along pylons 10. EFFECT: enhanced reliability. 3 dwg