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Which end of an airport tetrahedron points in the landing direction?

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  1. Wide end
  2. Small end
  3. Crossbar end

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References

  1. FAA AIM 4-3-4, Visual Indicators www.faa.gov/air_traffic/publications/ATpubs/AIM_html/chap4_section_3.html Checked 2026-10-09.

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