On the Nav
Computer: Centre dot on TAS 140kts, put the heading, 206šT, under the HEADING
index.
With heading 206šT and track 207šT
the drift is 1š Stbd (right).
Mark the wind vector where the drift
(1šStbd) crosses the groundspeed (135kts).
Rotate to put this mark under the
centre dot and read the wind: 180šT/5kts.