Position based ground proximity warning system for aircraft

Details Position based ground proximity warning system for aircraft Position based ground proximity warning system for aircraft

1982-12-10

1986-01-28

Groody, James J.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

73178T, 340967, 343 7TA, 364433, G08B 2300, G01S 1300

Patent

active

045674833

ABSTRACT:
In order to reduce nuisance warnings and to increase the effectiveness of real warnings produced by a ground proximity warning system, the criteria for generating a warning is varied for certain airport areas to take into account the terrain in those areas. Along with position data, certain flight parameters such as heading, altitude, glideslope and localizer deviation are checked by the system in order to ensure that the aircraft is located in the desired warning modification area. In addition, the ground proximity warning system includes a mechanism for ensuring that the corrected barometric altitude of the aircraft is within acceptable limits.

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