FIELD: transport.
SUBSTANCE: aircraft with lambda-like wing configuration comprises fuselage (1), power plant (5), first pair of sweepback airfoils (2) connected to fuselage (1) front section, second pair of sweepforward airfoils (3) connected to fuselage (1) rear bottom section at fuselage (1) point directed to stern from the joint between sweepback airfoils (2), and third pair of, in fact, vertical airfoils (4). Wing tips of sweepforward airfoils (3) are connected to bottom sections of sweepback airfoils (2) at mid point thereof by vertical airfoils (4). Sweepback airfoils (2) feature larger elongation than that of sweepforward airfoils (3).
EFFECT: decreased drag at normal weight.
14 cl, 6 dwg
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