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PA.IV.H.R2bFAA-S-ACS-6C · Nov 2023Risk management

b. Windshear

ACS element text (the applicant demonstrates understanding of)

Effects of: b. Windshear

Bottom line

A sudden, drastic shift in wind speed, direction, or both that may occur in the horizontal or vertical plane. The gust front causes a rapid, and sometimes drastic, change in surface wind ahead 12-24 of an approaching storm.

FAA references

  1. AFH Glossary (p. G-18) — FAA-H-8083-3C
  2. PHAK ch. 12 (p. 12-24) — FAA-H-8083-25C (2023)
  3. PHAK ch. 12 (p. 12-8) — FAA-H-8083-25C (2023)
  4. AFH ch. 13 (p. 13-21) — FAA-H-8083-3C
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