HEIGHT SIGNALLING SYSTEM OF FLIGHT LEVEL OF AIRPLANE Russian patent published in 1995 - IPC

FIELD: aviation instrument engineering. SUBSTANCE: system has unit 15 for forming "flight along the route" signal, AND gate 16, differentiating unit 17, comparator 18, OR gate 19, chassis position detector 20, flaps deviation angle detector 21, reference voltage set-point device 25, unit for registering parameter of flight. Unit 15 has AND gate, comparators, and two reference voltage set-point devices. EFFECT: improved safety of flight. 2 cl, 5 dwg