It should be emphasized before starting that the Max/Min Method for estimating Wind Speed and Direction relies on a major simplifying assumption - that the wind is uniform in both speed and direction ...

The dashed lines are called isotachs, and connect points of equal wind speed. The standard isotach intervals are 15 and 30 knots (28 km/h and 56 km/h) - knots is the preferred unit for these charts as ...

To work out an airspeed, you need to subtract the difference between the ground speed and the wind speed. The former is the speed at which an object moves about a point on the ground. Wind speed ...