Method and device for ensuring the safety of a low-altitude flight of an aircraft
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United States of America Patent
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Sep 23, 2008
Grant Date -
Dec 8, 2005
app pub date -
May 4, 2005
filing date -
May 18, 2004
priority date (Note) -
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Abstract
A method and device for ensuring the safety of a low-altitude flight of an aircraft is disclosed, wherein low-altitude flight is flight along a flight trajectory at low altitude, for example 500 feet, that allows an aircraft to follow as closely as possible the terrain being over-flown. To avoid collision with the terrain, a safety corridor, devoid of any obstacle, is determined which is delimited on either side of the lateral trajectory, and whose width depends on a global uncertainty, and the aircraft is guided along the flight trajectory, avoiding any exit of the aircraft from the safety corridor.
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