Nav Computer: Centre dot on TAS (225 kts), rotate to put wind direction (090ºT) on HEADING index
and mark wind on centre line 60kts below centre dot (over 165 kts).
Rotate to put heading 123ºT next to
HEADING index; read drift and groundspeed under wind mark: 11º Stbd (right) (track 134ºT) and 178 kts.