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" refers to the maximum crosswind velocity experienced during aircraft certification tests where pilots maintained adequate control.
This value is generally not an operational limitation, meaning the aircraft can be flown in higher crosswinds depending on pilot skill and technique, often indicated by an additional "not a limitation" note on the placard.
The actual crosswind limitation is reached when a pilot can no longer maintain control or alignment of the aircraft, at which point a different runway or airport should be considered.

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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.”