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The Time of Useful Consciousness (TUC) at FL350 is approximately:
A
30-60 seconds
B
3-5 minutes
C
15-30 minutes
D
15-20 seconds
A
30-60 seconds✓ Correct Answer
Explanation
At FL350, TUC is approximately 30-60 seconds; at FL400 it is only 15-20 seconds.
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