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Aircraft navigation aid method and device

  • US 7,173,545 B2
  • Filed: 07/04/2003
  • Issued: 02/06/2007
  • Est. Priority Date: 07/19/2002
  • Status: Active Grant
First Claim
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1. An aircraft navigation aid method, comprising the steps of:

  • a) defining an area to be sensed to the right and to the left of a first hypothetical path of the aircraft, designated the feeler line support path,b) sensing, for each of the two areas to be sensed to the right and to the left, a corresponding predefined underlying relief, in order to identify dangerous sub-zones to the right and/or to the left,c) computing, for each of the dangerous sub-zones to the right and/or to the left, a time Δ

    T remaining to begin an avoidance maneuver before a point of no return, and determining for the dangerous sub-zones to the right a minimum Δ

    T denoted Δ

    T right and/or for the dangerous sub-zones to the left a minimum Δ

    T denoted Δ

    T left,d) establishing a navigation aid from Δ

    T right and/or Δ

    T left.

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