FIELD: aircraft. SUBSTANCE: transport vehicle comprising power-operated chassis and apparatus for building up thrust during flight has latticed wing based on aerodynamic principle of compressor impeller blade cascade in relative motion. Wing has the form of two fin posts mounted with a provision for turning in vertical plane and having turning profiled members in between with negative stagger angle. When the wing is lifted, the polyplane is converted into aircraft while with lowered wing it becomes a ground transport vehicle. Depending on type of chassis and shape of body the polyplane is capable of moving over water and snow. EFFECT: versatility of employment. 3 cl, 4 dwg
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