Magnetic Heading = 255°M

Magnetic Variation =40°W (Variation West Magnetic Best)

True Heading = 255°M - 40°W = 215°T

 

On CRP-5 Wind Side:

Place Centre Dot over any convenient TAS, e.g. 500 kts

Place Wind Direction = 235°(T) under True Heading Index

Count down 120 kts and make a Wind Mark (over 380 kts)

Place True Heading = 215°T  under True Heading Index

Note Wind Mark has moved to 6° Left indicating a Ground Speed of 390 kts

Slide Wind Computer down to place Wind Mark over 375 kts

Note Drift = 6° Left