Communications: electrical – Aircraft alarm or indicating systems – Potential collision with other aircraft
Patent
1997-06-20
1999-04-06
Swarthout, Brent A.
Communications: electrical
Aircraft alarm or indicating systems
Potential collision with other aircraft
340970, 342 29, 701301, G08G 504
Patent
active
058924620
ABSTRACT:
A ground collision avoidance system that exhibits improved accuracy and performance by integrating with all other aircraft systems including guidance systems, navigation systems, digital terrain elevation databases, mission computers, and radar altimeters. The ground collision avoidance system fully utilizes active onboard sensors in combination with the knowledge of terrain and obstacle data contained in databases. Furthermore, the ground collision avoidance system provides a multiple processing path to determine numerous predicted flight paths based on a number of reasonable assumptions regarding the aircraft flight during a predetermined amount of time. By using predictive flight path schemes a realistic estimate of the predicted flight path envelope can be determined and then this information can be used in conjunction with accurate terrain elevation databases to determine whether a ground collision condition exists. On the basis of these calculations, appropriate warnings can be provided to the air crew as well as suggested maneuvers to avoid ground collision.
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Abeyta Andrew A.
Honeywell Inc.
Johnson Kenneth J.
Swarthout Brent A.
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