Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardfleet-mass
Aircraft weighing must be carried out at intervals not exceeding:
A
48 months (4 years)
B
24 months
C
12 months
D
36 months
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See where you stand: 5 hard questions, instant score, every answer explained.