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PA.II.D.K4FAA-S-ACS-6C · Nov 2023Knowledge

Visual indicators for wind.

ACS element text (the applicant demonstrates understanding of)

Visual indicators for wind.

Bottom line

The wind direction indicator can be a wind cone, wind sock, tetrahedron, or wind tee. The large end of the wind cone/wind sock points into the wind as does the large end (cross bar) of the wind tee.

FAA references

  1. PHAK ch. 14 (p. 14-20) — FAA-H-8083-25C (2023)
  2. AIM 4-3-4 (Visual Indicators at Airports Without an Operating Control Tower) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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