mediumlanding-gear
Tire creep marks on aircraft wheels indicate:
A
Tire inflation pressure
B
Tread depth remaining
C
Tire age
D
Whether the tire has slipped on the rim, indicating possible under-inflation or heavy braking
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
Take a timed quiz with random questions, or estimate your training costs.