Navigationhard#292
An aircraft flying at Mach 0.82 at FL370 where the temperature is -56.5°C has a TAS of approximately:
A
430 kt
B
480 kt
CorrectC
530 kt
D
250 kt
Explanation
LSS at -56.5°C (216.65K) ≈ 38.95 × sqrt(216.65) ≈ 573 kt. TAS = 0.82 × 573 ≈ 470 kt (approximately 480 kt).
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