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 2 in nose portion, wing 3 with turbo-jet engines 4 mounted on it and high-lift devices in form of tiltable flaps 5 fitted on trailing edge of wing 3, vertical tail 6 and horizontal tail 7 of standard configuration and three-leg landing gear with nose wheel. Innovation of invention consists in availability of additional lifting surfaces 8 arranged as follows: first surface are mounted above wing 3 and second movable surfaces are mounted after wing 3 in its plane. Load-bearing pylons 10 and 11 are made in form of partitions mounted on fuselage 1 in area of its joint with wing 3, on engine 4 along and 11 are provided with guides 12; front additional lifting surface 8 are mounted above wing 3 in its front portion and can move over guides 12; they have slit on trailing edge; rear surfaces 13 are secured as cantilever on swivel unit in well after wing 3 in its plane; these may be extended and locked on central pylon 11 and their configuration may be changed. EFFECT: enhanced reliability. 5 dwg