Thread: Mach vs. IAS
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Old 02-05-2016 | 04:05 PM
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UAL T38 Phlyer
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From: Curator at Static Display
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Another way: TAS goes up 2% for every 1000 ft.

So, at FL300:

30 * 2 = 60% more than IAS.

If IAS = 280:

TAS = 280 * (1.60) = 448

(Sorry...typo in the original. 280 is correct).
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