AI.VII.H.R2bFAA-S-ACS-25 · Nov 2023Risk management

b. Windshear

ACS element text (the applicant demonstrates understanding of)

Effects of: b. Windshear

Bottom line

The gust front causes a rapid, and sometimes drastic, change in surface wind ahead 12-24 of an approaching storm. Outside the cloud, shear turbulence has been encountered several thousand feet above and 20 miles laterally from a severe storm. Advisory Circular (AC) 00-54, Pilot Windshear Guide, explains gust front hazards associated with thunderstorms.

FAA references

  1. PHAK ch. 12 (p. 12-24) — FAA-H-8083-25C (2023)
  2. AFH ch. 16 (pp. 16-21–16-22) — FAA-H-8083-3C
  3. PHAK ch. 2 (p. 2-24) — FAA-H-8083-25C (2023)
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