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System and method to automatically preselect an aircraft radio communication frequency

  • US 8,909,392 B1
  • Filed: 06/24/2010
  • Issued: 12/09/2014
  • Est. Priority Date: 06/24/2010
  • Status: Active Grant
First Claim
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1. A system for automatically preselecting an aircraft voice radio communication frequency, comprising:

  • a) a sensor input module configured to receive aircraft state information and flight management system (FMS) airport identification data, said aircraft state information comprising position, speed, and heading information;

    b) an airport map database (AMDB) data receiving module configured to receive AMDB data, including AMDB voice radio frequency data, said AMDB data defined by ARINC 816;

    c) a pre-select communication frequency processing module configured to utilize said aircraft state information, said FMS airport identification data and said AMDB data, for determining a next pre-select frequency; and

    ,d) an output module for providing an output signal representing said next pre-select voice radio communication frequency to a next voice radio pre-select frequency display,wherein said pre-select communication frequency processing module is configured to;

    read said received aircraft state information;

    determine that the aircraft is on the ground, and based on said determination that the aircraft is on the ground;

    1) read in said received FMS airport identification data including an airport identifier;

    2) determine the airport in which the aircraft is situated using said aircraft state information and said FMS airport identification data;

    3) read in said AMDB data for said airport;

    4) read in airport voice radio frequency data from the AMDB data;

    5) read in said aircraft state information;

    6) compute a current voice radio frequency using the aircraft state information and the airport voice radio frequency data to determine what voice communication frequency applies to the current aircraft location;

    7) compute a next voice radio frequency using said aircraft state information and said airport voice radio frequency data to predict when the aircraft is about to enter the next voice communication frequency area;

    8) output said next voice radio frequency; and

    ,9) repeat steps

         5) through

         8); and

    ,wherein;

    said sensor input module further receives a data link uplink message; and

    ,said pre-select communication frequency processing module is configured to;

    1) read in said received data link uplink message;

    2) determine if said received data link uplink message includes a voice radio tuning message;

    3) read in the uplinked voice radio tuning message; and

    ,4) transfer the uplinked voice radio tuning message to said output module.

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