Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardNDB-ADF
To find the QDM (magnetic heading to the station) using an RBI, you calculate:
A
Magnetic heading plus relative bearing
B
Magnetic heading minus relative bearing
C
True heading plus relative bearing minus variation
D
Relative bearing minus magnetic heading
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.