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Thread: Chart Validity
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Old 13th September 2009 | 12:44
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Schibulsky
 
Joined: Apr 2007
Posts: 225
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From: HKT
Generally these charts show you the predicted wx at that time of validity, not for a range of time.
But as these charts are issued 6hrs apart we consider the "validity" +/-3hrs.
For your example the flight should carry 1200 and 1800.
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