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An aircraft at FL350 with an OAT of -55°C and IAS of 250 kt will have a TAS that is:

A

Less than IAS

B

Equal to IAS

C

Depends on wind

D

Greater than IAS

Correct

Explanation

At high altitude, lower air density causes TAS to be significantly higher than IAS; at FL350, TAS is roughly 1.7 times IAS.

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