Ground proximity warning system with time and altitude based mod

Details Ground proximity warning system with time and altitude based mod Ground proximity warning system with time and altitude based mod

1982-02-04

1984-02-21

Groody, James J.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

73178T, 364427, 364433, 340963, G08B 2300

Patent

active

044333234

ABSTRACT:
To increase the effectivity of warnings and to decrease nuisance warnings in a ground proximity warning system having several modes of operation, the switching from one mode to another is done as a function of radio altitude and time. In addition, in a ground proximity warning system where a warning signal is generated in accordance with a predetermined relationship between flight parameters, one or more of these parameters can be varied as a function of radio altitude and time in order to, for example, increase the altitude above ground as a function of radio altitude and time from take-off that a terrain clearance warning is generated or to decrease as a function of radio altitude and time, the radio altitude below which a negative climb after take-off warning is generated.

REFERENCES:
patent: 3934221 (1976-01-01), Bateman et al.

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