True Track = 070°T
Drift = 10°R
Drift is FROM Heading to TRACK, i.e. Right Drift = Heading LESS than Track
Therefore, Heading = 060°T
Now apply CDMVT (Cadbury's Dairy Milk Very Tasty)
Read Bottom to Top
Compass - 089°C
Deviation - +1° (+ Positive Deviation = Easterly Deviation - Deviation East
Compass Least)
Magnetic - 090°M
Variation - 30°W (Variation West Magnetic Best)
True - 060°T