Differential GPS landing assistance system
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United States of America Patent
Stats
-
Nov 1, 1994
Grant Date -
N/A
app pub date -
Nov 2, 1992
filing date -
Nov 2, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An aircraft landing system is disclosed in which a differential GPS global positioning system is employed. A ground station, located in the vicinity of one or more landing strips, includes a GPS receiver and a data link transmitter for transmitting GPS correction data and also the global position of two points which define a desired aircraft glide path associated with a particular landing strip. The system further includes aircraft equipment comprising a receiver for receiving the correction data and the global position of the two glide path points, and a GPS receiver. The aircraft equipment further includes a computer for determining a corrected global position of the aircraft as a function of the aircraft GPS range data and the correction data, and subsequently determines the lateral deviation and vertical deviation from the glide path defined by the two glide path points.
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