CPR-5 Put -50 under Mach Nr index (AIRSPEEDWINDOW) , 0.80 (inner scale) , is TAS 465 (outer scale)!
HDG 140o Mag - VAR 20 o W = HDG
120 o TRUE
CRP-5 wind side: Put in the TAS 465 under blue dot,
now put in the HDG 120 o TRUE , now mark
the drift
11 Right under the Groundspeed 490 (.)
Rotate the (.) , under your
TAS and read an W/V of 020/95.....