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A crosswind is any wind that is not in the same direction as travel. The crosswind component is perpendicular to the direction of travel ( 90 degrees).
Mathematically, the crosswind component is the speed times the sine of the angle relative to the direction of travel.
For example if a plane travels NORTH and there is a crosswind from the EAST ( 90 degrees) at 20 mph the crosswind component is 20 mph ( 20 sin90 = 20)
For another example if a plane travels NORTH and there is a crosswind from the NORTHEAST ( 45 degrees) at 20 mph the crosswind component is 14.1mph ( 20 sin45 = 14.1)
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How Determine the maximum wind velocity for a 45 crosswind if the maximum crosswind component for the airplane is 25 knots?
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