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AI.VII.M.R2cFAA-S-ACS-25 · Nov 2023Risk management

c. Tailwind

ACS element text (the applicant demonstrates understanding of)

Effects of: c. Tailwind

Bottom line

A tail wind of ten knots increases the landing distance by about 21 percent. Pilots should be alert to large aircraft upwind from their approach and takeoff flight paths.

FAA references

  1. PHAK ch. 11 (p. 11-17) — FAA-H-8083-25C (2023)
  2. AIM 7-4-4 (Vortex Behavior) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. AFH ch. 5, Cross-Control Stall (p. 5-20) — FAA-H-8083-3C
  4. PHAK ch. 11 (p. 11-15) — FAA-H-8083-25C (2023)
  5. AIH ch. 3 (p. 3-33) — FAA-H-8083-9B
  6. AFH ch. 2 (p. 2-20) — FAA-H-8083-3C
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