Terrain avoidance method and device for an aircraft
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United States of America Patent
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-
Nov 13, 2007
Grant Date -
Apr 7, 2005
app pub date -
Sep 17, 2004
filing date -
Sep 18, 2003
priority date (Note) -
In Force
status (Latency Note)
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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.
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