Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testeasytransponder-operations
'SQUAWK CHARLIE' instructs the pilot to:
A
Select a new transponder code
B
Select Mode C (altitude reporting ON)
C
Turn off the transponder
D
Select Mode A only
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See where you stand: 5 hard questions, instant score, every answer explained.