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Aircraft landing display system

  • US 4,368,517 A
  • Filed: 04/08/1980
  • Issued: 01/11/1983
  • Est. Priority Date: 03/16/1978
  • Status: Expired due to Term
First Claim
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1. A system for presenting a cockpit display providing guidance information for landing an aircraft on a runway in conditions of low visibility, comprising:

  • a display device visible to the pilot;

    means for generating on said display device a horizons reference line having a generally fixed horizontal configuration;

    means for generating an aircraft symbol on said device, said aircraft symbol having an orientation with respect to said reference line corresponding to the orientation of the aircraft with respect to the actual horizon;

    means for generating on said display device a runway symbol having an orientation with respect to the aircraft symbol indicative of the orientation of the actual runway with respect to the aircraft; and

    means for generating a generally V-shaped descent profile vector extending from respective sides of the display towards a location on the projected flight path of the aircraft indicative of the projected landing point of the aircraft.

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