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Old 31st Dec 2009, 06:52
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Boroda
 
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GPS use for NAV when coded not in WGS84
A320 Limitations FCOM 3.01.22

GPS can be used only when difference with coded in another geodesic system flight plan is negligible. One of the methods to asses this shift is "on ground perfoming a GPS survey of the procedure waypoints".

How do you understand this survey?

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