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Position based ground proximity warning system for aircraft

  • US 4,567,483 A
  • Filed: 12/10/1982
  • Issued: 01/28/1986
  • Est. Priority Date: 12/10/1982
  • Status: Expired due to Term
First Claim
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1. A ground proximity warning system for aircraft comprising:

  • a source of signals representing aircraft flight parameters;

    warning logic means operatively connected to said source of flight parameter signals for comparing said flight parameter signals and generating a warning signal in response to predetermined relationships between selected flight parameter signals;

    a source of position signals representing the position of the aircraft; and

    condition logic means operationally connected to said warning logic means and said source of position signals for varying said predetermined relationships when the aircraft is in a predetermined warning location.

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