Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumNDB-ADF
Quadrantal error in ADF is caused by:
A
Errors in the NDB transmitter
B
Incorrect frequency selection
C
Re-radiation of the NDB signal by the aircraft structure
D
Compass card misalignment
Checking member access
One moment while we confirm your plan so paid members never see checkout by mistake.
Checking member access before showing upgrade options
Keep practising
See where you stand: 5 hard questions, instant score, every answer explained.