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Old 17th September 2008 | 17:09
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Sepp
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: ATPL
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From: UK
LA 931:

You're likely misreading (or more accurately, I suppose, mis-applying) the outer scale: 45 - 6 -7 -8 to use 480 TAS rather than 45 POINT 6 -7 -8 to use 458 TAS when reading Mach in the final step
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