Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent
1987-06-04
1991-01-22
Orsino, Joseph A.
Communications: electrical
Aircraft alarm or indicating systems
Flight alarm
73178T, 340963, 364433, G08B 2300
Patent
active
049874136
ABSTRACT:
A proximity to terrain warning system for aircraft utilizes a first set of warning criteria to generate a warning in the event of insufficient terrain clearance after take off. A different set of criteria are employed to generate warnings when the aircraft in in a cruise or approach phase of flight or on a tactical mission. Mode switching is provided to select the appropriate criteria and to select an excessive descent after take-off set of warning criteria in addition to the first set of criteria when appropriate.
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Orsino Joseph A.
Sundstrand Data Control Inc.
Swarthout Brent A.
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