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Navigation device for aircraft navigation

  • US 4,182,171 A
  • Filed: 04/03/1978
  • Issued: 01/08/1980
  • Est. Priority Date: 04/03/1978
  • Status: Expired due to Term
First Claim
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1. A navigation instrument comprising a fixed compass rose;

  • one more more VOR radio station symbols mounted rotatably around the perimeter of said compass rose with each such station symbol having a line corresponding to a radial from such station symbol that would correspond with a map showing and extending across the face of the instrument through the center and to the perimeter of said compass rose opposite the station symbol, each such symbol being slaved to a radio receiver and rotatable automatically by the radio mechanism to the point on the compass rose indicating the direction to the station;

    an airplane symbol rotatably mounted in the center of the face of said instrument and connected to a compass mechanism so that the direction of the aircraft is indicated by the nose of the symbol pointing to that direction on the compass rose.

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