On CRP5: Put centre dot
top centre of the large square grid, rotate to any convenient whole number
under the heading index as wind direction; 000º is as good as any.
Draw a line straight down to represent the wind.
Rotate to runway direction 60º off (060º) under the heading index.
Mark in the 10kt headwind (horizontal) line and the 35kt crosswind (vertical)
line.
Rotate back to wind direction under heading index (000º) and read off minimum
wind speed to give 10kt headwind (20kts) and maximum windspeed which will be on
35kt crosswind limit (40kts)