If the maximum crosswind is 30 knots dry and 20 knots wet, what is the maximum crosswind allowed on a wet runway?

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Multiple Choice

If the maximum crosswind is 30 knots dry and 20 knots wet, what is the maximum crosswind allowed on a wet runway?

Crosswind tolerance depends on runway surface friction. A dry runway lets you handle a larger crosswind because directional control and braking are more effective. When the runway is wet, friction is reduced, so the allowable crosswind is lowered to maintain control during takeoff and landing. Therefore, the maximum crosswind allowed on a wet runway is the wetter-condition limit—more restrictive than the dry one. The other figures either exceed that wet-limit or are not the maximum allowed under wet conditions. In practice, you would operate at or below the wet-limit when landing or taking off on a wet surface.

Crosswind tolerance depends on runway surface friction. A dry runway lets you handle a larger crosswind because directional control and braking are more effective. When the runway is wet, friction is reduced, so the allowable crosswind is lowered to maintain control during takeoff and landing. Therefore, the maximum crosswind allowed on a wet runway is the wetter-condition limit—more restrictive than the dry one. The other figures either exceed that wet-limit or are not the maximum allowed under wet conditions. In practice, you would operate at or below the wet-limit when landing or taking off on a wet surface.

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