FIELD: aviation.
SUBSTANCE: invention relates to power plants. Air intake (3) of mainline aircraft built in wing (2) comprises inlet device. Inlet device is located near leading edge (4) of wing (2) in its root part and is connected to air duct passing inside airframe. Input device includes pad (6), surface of which is smoothly conjugated with surfaces of air duct and fuselage (1) of aircraft with possibility of spreading of boundary layer up and down relative to fuselage (2) of aircraft. A projection is made on the lower edge of the air intake.
EFFECT: efficiency of operation and gas-dynamic stability of operation of power plant in the whole range of flight modes is achieved.
2 cl, 3 dwg
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