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AI.VII.H.R2dFAA-S-ACS-25 · Nov 2023Risk management

d. Wake turbulence

ACS element text (the applicant demonstrates understanding of)

Effects of: d. Wake turbulence

Bottom line

Taking off immediately behind another aircraft, particularly a large and heavy transport airplane, creates the risk of a wake turbulence encounter, and a possible loss of control. Prior to takeoff or touchdown pilots should note the rotation or touchdown point of the preceding aircraft.

FAA references

  1. AFH ch. 6 (p. 6-1) — FAA-H-8083-3C
  2. AIM 4-6-7 (Guidance on Wake Turbulence) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. AIM 7-4-4 (Vortex Behavior) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  4. PHAK ch. 5 (p. 5-9) — FAA-H-8083-25C (2023)
  5. AIM 7-4-9 (Air Traffic Wake Turbulence Separations) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  6. AFH Glossary (p. G-18) — FAA-H-8083-3C
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