Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumcallsigns
An ATC facility callsign ending in 'APPROACH' indicates:
A
Approach control radar service
B
Tower control
C
Area control center
D
Ground control
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See where you stand: 5 hard questions, instant score, every answer explained.