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Navigation assisting apparatus, aircraft in which the navigation assisting system is mounted, navigation assisting method and navigation assist processing program recorded in a storage medium

  • US 6,970,784 B2
  • Filed: 12/16/2002
  • Issued: 11/29/2005
  • Est. Priority Date: 12/20/2001
  • Status: Expired due to Fees
First Claim
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1. A navigation assisting apparatus mounted in an aircraft, comprising:

  • an error calculator configured to obtain an estimated time of arrival of the aircraft when the aircraft is estimated to arrive at a target point for which a required time of arrival of the aircraft is set in advance and calculate a time error between the estimated time of arrival and the required time of arrival;

    a converter which converts the time error calculated by the error calculator to a distance error based on a velocity of the aircraft; and

    a display which visually displays the distance error obtained by the converter, an aircraft symbol representing the aircraft, and an error symbol having a length corresponding to the distance error.

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