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Aircraft display combining error tape and reference bugs

  • US 5,797,562 A
  • Filed: 07/26/1995
  • Issued: 08/25/1998
  • Est. Priority Date: 07/26/1995
  • Status: Expired due to Term
First Claim
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1. A display apparatus for an aircraft comprising:

  • a) an electronic display unit having,1) a display screen,2) a flight path vector symbol displayed on said screen,3) a speed error tape displayed on said screen, said tape having a first end and a second end, said first end adjacent said flight path vector symbol, said tape extending from said symbol to said second end,4) at least one speed bug positioned adjacent to said tape, each of said bugs representative of an associated reference speed, and,5) whereas the position of said speed bug relative to said first end of said tape is indicative of the difference between a current speed of said aircraft and said associated reference speed and once the associated reference speed is achieved said bug vanishes.

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