#Windsocks typically are used at airports to indicate the direction and strength of the wind to pilots and at chemical plants where there is risk of gaseous leakage. They are sometimes located alongside highways at windy locations. At many airports, windsocks are lit at night, either by floodlights on top surrounding it or with one mounted on the pole shining inside it. Wind direction is the direction in which the windsock is pointing. Wind speed is indicated by the windsock's angle relative to