Aircraft ground proximity warning instrument

Details Aircraft ground proximity warning instrument Aircraft ground proximity warning instrument

1975-03-05

1976-10-26

Kunin, Stephen G.

Communications: electrical

Selective

Having indication or alarm

73178R, 2351502, 343 7TA, 343112CA, G01C 500

Patent

active

039887138

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.

REFERENCES:
patent: 2941193 (1960-06-01), Patton
patent: 3086200 (1963-04-01), Altermann
patent: 3153230 (1964-10-01), Van Krevelen et al.
patent: 3206745 (1965-09-01), Waters
patent: 3286250 (1966-11-01), Teitelbaum
patent: 3540026 (1970-11-01), Scott
patent: 3546489 (1970-12-01), White
patent: 3588858 (1971-06-01), Demuth
patent: 3634839 (1972-01-01), Vassil et al.
patent: 3685034 (1972-08-01), Hedrick
patent: 3715718 (1973-02-01), Astengo
patent: 3739364 (1973-06-01), Talkington et al.

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