Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumins-irs
IRS alignment on the ground typically takes:
A
A few seconds
B
1 hour
C
5-15 minutes, depending on latitude
D
No alignment is needed
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See where you stand: 5 hard questions, instant score, every answer explained.