FIELD: transport.
SUBSTANCE: invention relates to helicopters. Method of helicopter control in failure of power plant with propeller mechanical drive consists in mounting on the helicopter of an air-operated power unit (11) running in the air-operated engine conditions, the air-operated unit air intake (14) being connected, via an air-control apparatus (17), with gas cylinder (18) filled, before the flight, with high-pressure compressed air. Power plat (4) failed and the propeller windmilling, the air-operated power unit is cut in, while its shaft (12) being connected, via transmission (6), to the propeller shaft (8). In compliance with the second version, the helicopter incorporates an additional air-operated power unit to be switched over, by remote means, into the air-operated engine or the compressor mode.
EFFECT: higher flight safety.
8 cl, 2 dwg
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