Terrain avoidance method and device for an aircraft

Details Terrain avoidance method and device for an aircraft Terrain avoidance method and device for an aircraft

2007-11-13

2007-11-13

Lieu, Julie Bichngoc (Department: 2612)

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

C340S961000, C340S964000, C340S967000, C340S970000, C340S945000, C340S309160, C710S200000, C710S301000, C710S220000, C710S002000, C710S004000, C710S005000, C710S006000, C710S011000, C710S014000, C710S017000

Reexamination Certificate

active

10942896

ABSTRACT:
An aircraft terrain avoidance method and device may employ a collision warning section that transmits a caution signal when the aircraft risks colliding with the terrain at the end of a first predetermined period of time. A warning signal is transmitted when the aircraft risks colliding with the terrain at the end of a second predetermined period of time, which is shorter than the first predetermined period of time. A piloting system causes the aircraft to automatically climb with a first gradient corresponding to a predetermined value upon the transmission of the caution signal. An automatic pilot is engaged automatically, if currently disengaged, to force the aircraft to climb with a second gradient, corresponding to the maximum gradient possible in the current flight conditions of the aircraft, upon the transmission of the warning signal.

REFERENCES:
patent: 3988713 (1976-10-01), Bateman
patent: 4924401 (1990-05-01), Bice et al.
patent: 5957412 (1999-09-01), Saint Upery et al.
patent: 6088654 (2000-07-01), Lepere et al.
patent: 6963795 (2005-11-01), Haissig et al.
patent: 2004/0215372 (2004-10-01), Bateman et al.
Preliminary Search Report dated Jun. 23, 2004 with English translation.

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