Excessive terrain closure warning system

Details Excessive terrain closure warning system Excessive terrain closure warning system

1983-05-13

1987-01-27

Crosland, Donnie L.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

73178T, 340969, 364433, 342 5, G08B 2300, G01C 2100, G06F 1548

Patent

active

046397302

ABSTRACT:
A system for warning the pilot of an aircraft flying at low level, particularly over rising terrain, of an excessive closure condition that could result in controlled flight into terrain if left uncorrected. Specifically a warning system is disclosed that monitors the terrain closure rate of an aircraft under certain conditions. These conditions relate to the weapons not being armed, the aircraft flying between 100 and 1800 feet and the air speed exceeding 200 knots. When these conditions are met a warning is provided to the pilot that the terrain closure rate exceeds a predetermined safe limit for the radio altitude at which the aircraft is flying.

REFERENCES:
patent: 3703844 (1972-11-01), Bleikamp, Jr.
patent: 3934221 (1976-01-01), Bateman et al.
patent: 3934222 (1976-01-01), Bateman et al.
patent: 3944968 (1976-03-01), Bateman et al.
patent: 3946358 (1976-03-01), Bateman
patent: 3958218 (1976-05-01), Bateman
patent: 3958219 (1976-05-01), Bateman et al.
patent: 4030065 (1977-06-01), Bateman
patent: 4319218 (1982-03-01), Bateman
patent: 4551723 (1985-11-01), Paterson

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