DEVICE FOR DETERMINATION OF ANGLE OF ATTACK OF AIRCRAFT Russian patent published in 1995 - IPC

FIELD: aviation instrumentation engineering. SUBSTANCE: device is additionally provided with mass sensor 3, ram air pressure sensor 4, normal g-load sensor 5, selector 6 for setting initial lift coefficient, flap present position sensor 7, landing gear condition sensor 8, selector 9 for setting initial value of lift curve slope in function of angle of attack, Mach number sensor 10, Mach number threshold value selector 11, second true angle-of-attack forming unit 13, scaler 14, first, second and third adders 15, 16 and 17, comparator 18, first and second division units 19 and 24, first and second switches 20 and 21, multiplier unit 22 and fourth adder 23. EFFECT: high safety of flight through redundancy and check of angle-of-attack sensors. 1 dwg