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Old 2nd September 2001 | 19:42
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747-436
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Joined: May 2000
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From: London
Red face 747-400 IRS Errors
Is it common after an 11 hour flight to have IRS errors where each of them are about 4nm out from the FMS position when the POS key is pressed on the EFIS Control Panel and displayed on the ND????
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