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​Wind direction and speed is provided by both wind indicators and ATC or FSS at towered airports. At most non-towered airports, the wind is provided by both wind indicators and AWOS. But, at some non-towered airports where there is no source of verbal communication of the current winds, wind indicators are used.

Indicators are found near the runway and located in a segmented circle, which shows the traffic pattern directions. There are a few types of indicators used.​

  • Windsocks

  • Tetrahedron

  • Wind tee


​Windsocks can give the pilot an indication of wind velocity and or wind gusts. As the wind speed increases the windsock extends more. Windsocks are broken into wind speed segments. An indication the wind is gusting, the windsock will be moving back and forth.

Wind tee and Tetrahedron:

​Wind tees and Tetrahedrons can move freely in the wind. They also can be manually aligned to the current wind direction or show the runway in use direction.

The pilot should look for the windsock to verify the Wind tee or Tetrahedron is indicating correctly and use the windsock as the primary source.


AIM Ch 2 Sec. 1, Ch 4 Sec. 1

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