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Airport operationsQuestion 208 of 934

Which way does the small end of a tetrahedron point?

  1. In the direction of landing
  2. Into the wind
  3. Toward the segmented circle
  4. Toward the airport beacon
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Correct answer: In the direction of landing

The small end of a tetrahedron points in the direction of landing. Pilots should not use it for wind direction.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 4-3-4 Visual Indicators at Airports Without an Operating Control Tower, page 244

Practice airport operations

Questions last reviewed: 18 October 2026