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AA.V.C.R6FAA-S-ACS-11A · Nov 2023Risk management

Effect of environmental elements on aircraft performance while landing as it relates to...

ACS element text (the applicant demonstrates understanding of)

Effect of environmental elements on aircraft performance while landing as it relates to stalls (e.g., turbulence, icing, microbursts, and high-density altitude).

Bottom line

Turbulence, or a large variation in wind velocity over a short distance, can cause upset and LOC-I. An encounter during approach involves the same sequence of wind changes and could force the plane to the ground short of the runway.

FAA references

  1. AFH ch. 5, Environmental Factors (p. 5-2) — FAA-H-8083-3C
  2. PHAK ch. 12 (pp. 12-10–12-11) — FAA-H-8083-25C (2023)
  3. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
  4. PHAK ch. 11 (p. 11-17) — FAA-H-8083-25C (2023)
  5. PHAK ch. 11 (p. 11-5) — FAA-H-8083-25C (2023)
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