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Thread: flight instrument check during taxi-out: EFIS vs. older directional gyro type
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Old 2nd Feb 2002, 22:25
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wysiwyg
 
Join Date: Jul 2000
Location: Gatwick
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I was told the other day by a very reliable source that the largest navigational deviation so far by a 757 due to map shift is 60 miles!!! Back that EFIS info up with all forms of raw data boys.
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