Heading: 090ºC, Dev 2ºW, 088ºM, Var 12ºE = 100ºT.   TAS = 160 kts.

 

Track = 070ºM, Var 12E = 082ºT.  Groundspeed: 14 nm in 6 minutes = 140 kts.

 

On the Nav Computer: Centre dot on TAS 160kts, put the heading, 100ºT, under the HEADING index.   With heading 100ºT and track 082ºT the drift is 18º Port (left).   Mark the wind vector where the drift (18º Port) crosses the groundspeed (140kts).   Rotate to put this mark under the centre dot and read the wind: 160ºT/50kts.