What Is the Meaning of ‘Demonstrated Crosswind Component’?

It’s the maximum velocity of the crosswind component experienced during the aircraft’s certification tests.

Meg Godlewski

Wednesday, June 25, 2025 at 11:30 AM ET

Verified

Edited By:

Travis Tingle

In FAA Advisory Circular 150/5300-13, it is noted that 'generally, the smaller the airplane, the more it is affected by wind, particularly crosswind components. Crosswinds are often a contributing factor in small airplane accidents.' [Adobe Stock]

Key Takeaways:

The "demonstrated crosswind component" is the maximum crosswind velocity experienced during certification tests where pilots maintained adequate aircraft control.
This value is generally not a hard operational limitation for the aircraft, as its actual capability can exceed this, depending on pilot technique.
The true crosswind limitation is reached when a pilot can no longer maintain control of the aircraft; in such cases, finding a runway more aligned with the wind is advised.

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Question: What does the term “demonstrated crosswind component” mean? I just started flight training, and the flight school aircraft have placards that read “maximum demonstrated crosswind velocity 15 knots.” Does that mean I can’t fly when the winds are above 15 knots?

Answer: The demonstrated crosswind component is the maximum velocity of the crosswind component that was experienced during the certification tests, and the pilots were still able to maintain adequate control of the aircraft. Most aircraft that have a placard like that often have an additional line in smaller type that reads “not a limitation.”