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Flight management system

  • US 4,774,670 A
  • Filed: 04/29/1985
  • Issued: 09/27/1988
  • Est. Priority Date: 04/29/1985
  • Status: Expired due to Fees
First Claim
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1. An improvement to a flight management system for modifying the actual airspeed of an aircraft so as to deliver said aircraft to a particular point in space at a required arrival time, said improvement comprising:

  • means coupled to said flight management system for accepting flight data information, including said required arrival time, actual air speed, flight plan data, and wind data and for repetitively generating therefrom an estimated arrival time and deriving from said estimated arrival time a signal representative of the required airspeed needed to allow said aircraft to reach said particular point at said required arrival time; and

    means for receiving said signal representative of said required air speed and for generating an output signal for modifying said actual airspeed of said aircraft to correspond to said required airspeed.

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