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Thread: How does altitude affect the aircraft performance?
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Old 9th Jul 2013, 11:14
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Wizofoz
 
Join Date: Jun 2001
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No both are true.

For the same TAS drag will be lower if air density is lower- but so is IAS.

For a given IAS, TAS increases as air density reduces, but drag remains,constant. ( This is the simple answer, there are other factors)
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