Windshear detection and warning system with evasion command

Details Windshear detection and warning system with evasion command Windshear detection and warning system with evasion command

1986-02-28

1989-08-15

Orsino, Joseph A.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

73178T, 244191, 340963, 340967, 364427, 364428, 364434, G08B 2300

Patent

active

048579220

ABSTRACT:
An improved windshear warning apparatus for aircraft, responsive to both the magnitude of the wind shear and the allowable time the windshear can be tolerated at a given magnitude. The sensed magnitude is used to compute the allowable time before providing a windshear alarm. For large windshear rates, the allowable time is short; conversely for small windshear rates which exceed a threshold level, a longer time period is computed before an alarm occurs. Since a windshear rate must persist for the computed allowable time before activating the alarm, windshear rates that are above the threshold level for elapsed time less than the computed allowable time will not result in an enunciation, while high magnitude windshear rates of short duration will not cause false alarms since they do not exceed the computed allowable time.

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patent: 4433323 (1984-02-01), Grove
patent: 4586140 (1986-04-01), Millen
patent: 4593285 (1986-06-01), Miller et al.

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