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System and method for computing flight time from an equi-distance point to a reference point

  • US 8,463,468 B2
  • Filed: 07/19/2010
  • Issued: 06/11/2013
  • Est. Priority Date: 07/20/2009
  • Status: Active Grant
First Claim
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1. A method of a flight management system (FMS) of an aircraft for computing flight time from an equi-distance point (EDP) to a reference point for an emergency landing of the aircraft, comprising:

  • receiving, by a processor, at least two reference points for landing the aircraft upon an occurrence of an emergency;

    determining, by the processor, a remaining flight path for the aircraft based on a current location of the aircraft and a flight plan serviced by the flight management system;

    generating, by the processor, the equi-distance point for the aircraft by locating a point in the remaining flight path which is equidistant from the at least two reference points; and

    calculating, by the processor, an expected flight time of the aircraft from the equi-distance point to each of the at least two reference points based on a plurality of factors affecting the flight time of the aircraft.

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