Aircraft ground proximity warning instrument

Details Aircraft ground proximity warning instrument Aircraft ground proximity warning instrument

1974-06-19

1976-03-23

Blix, Trygve M.

Communications: electrical

Selective

Having indication or alarm

23515022, 244 77A, 343 7TA, 343108R, 343112A, 343112CA, G08G 502

Patent

active

039463583

ABSTRACT:
An aircraft instrument for warning the pilot that the aircraft is in an unsafe condition in proximity to the ground. The instrument has inputs representing aircraft configuration, flight condition with respect to the ground, and glide slope. Detector circuits process the inputs and give a warning of unsafe proximity to the ground. The boundary conditions for the warning are selected to avoid false warnings. A glide slope detector distinguishes between a valid glide slope signal and spurious signals, without need for pilot input.

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patent: 3052427 (1962-09-01), Match et al.
patent: 3169730 (1965-02-01), Gaylor et al.
patent: 3327973 (1967-06-01), Kramer et al.
patent: 3355733 (1967-11-01), Mitchell et al.
patent: 3463422 (1969-08-01), Watson
patent: 3652835 (1972-03-01), Devlin et al.
patent: 3658280 (1972-04-01), McDonnell
patent: 3743221 (1973-07-01), Lykken et al.
patent: 3757338 (1973-09-01), Liebman
patent: 3801049 (1974-04-01), Simpson et al.
patent: 3847328 (1974-11-01), Simpson et al.
patent: 3860800 (1975-01-01), Simpson

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