On the Nav Computer: Centre dot on TAS 230kts, put the heading,
074šT, under the HEADING index.
With heading
074šT and track 066šT the drift is 8š Port (left).
Mark the
wind vector where the drift (8šPort) crosses the groundspeed (242kts).
Rotate to
put this mark under the centre dot and read the wind: 180šT/35kts.