Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardfatigue-risk-management
Circadian rhythm disruption is most pronounced when crossing:
A
1-2 time zones
B
More than 3-4 time zones
C
The equator
D
The prime meridian
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