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Methods and systems for taxiway traffic alerting

  • US 9,082,299 B2
  • Filed: 06/26/2012
  • Issued: 07/14/2015
  • Est. Priority Date: 06/26/2012
  • Status: Active Grant
First Claim
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1. A method performed by a system located on an ownship, the method comprising:

  • at a processing device,determining whether the ownship is on the ground based upon a weight-on-wheels signal;

    determining, in response to determining that the ownship is on the ground, whether the ownship is in motion;

    receiving, in response to determining that the ownship is in motion, information from a ground traffic vehicle;

    receiving, in response to determining that the ownship is in motion, ownship information;

    determining a distance by which the ground traffic vehicle will pass the ownship after reaching an estimated full-stop location of the ownship based on the received ownship information and one or more predefined constants, the predefined constants comprising a flight crew reaction time and a flight crew action time;

    generating a potential collision alert if the determined distance is less than a predefined safe distance value, the safe distance value calculated based upon a wingspan of the ownship and a wingspan of the ground traffic vehicle; and

    at an exterior lighting device, providing illumination towards the ground traffic vehicle after generation of the potential collision alert.

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