Question 1

What is a crosswind component?

Accepted Answer

The crosswind component is the part of the wind vector that is perpendicular to the runway. It equals wind speed multiplied by the sine of the angle between the wind direction and the runway heading. A 20-kt wind 30° off the runway produces a 10-kt crosswind.

Question 2

How do I find the runway heading from the runway number?

Accepted Answer

Multiply the runway number by 10 to get the magnetic heading in degrees. Runway 27 is 270°, runway 09 is 090°, runway 36 is 360° (or 0°). The number on the runway is the heading rounded to the nearest 10° and divided by 10.

Question 3

What is the maximum demonstrated crosswind for my aircraft?

Accepted Answer

Check your Aircraft Flight Manual or Pilot's Operating Handbook — the manufacturer publishes a demonstrated crosswind value, not a legal limit. Typical trainers are in the 15-17 kt range. Exceeding it is permitted but places you outside the tested envelope.

Question 4

What is a headwind component?

Accepted Answer

The headwind component is the part of the wind vector aligned with the runway toward the aircraft. It equals wind speed multiplied by the cosine of the angle between wind and runway heading. Headwind shortens takeoff and landing distances; tailwind lengthens them.

Question 5

Does a tailwind affect landing differently than takeoff?

Accepted Answer

Yes. On landing, a tailwind increases your groundspeed at touchdown and significantly increases landing roll — every 10% tailwind adds roughly 20% to landing distance. Many operators prohibit tailwind landings above 10 kt on shorter runways.

Calculateur de vent

Your crosswind component decides whether you land or go around.

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Conseils sur les composantes du vent

How do you calculate crosswind and headwind components?

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