FIELD: passenger and cargo aeroplanes. SUBSTANCE: aircraft includes fuselage with vertical tail, engine plant, back-swept front wing and rear swept-forward wing, two tiltable wings mounted at tips of rear wing by means of lag hinges. Front and rear wings are provided with elevators and flaps. Mounted after front wing are arc-shaped guides which give support for inner tips of tiltable wings. Version is available when tips of non-variable geometry are connected by means of longitudinal beams. EFFECT: enhanced efficiency. 2 cl, 6 dwg
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