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CA.IV.G.K4FAA-S-ACS-7B · Nov 2023Knowledge

Effects of water surface.

ACS element text (the applicant demonstrates understanding of)

Effects of water surface.

Bottom line

The applicant demonstrates understanding of: Effects of water surface.

Key numbers

Key numbers for Effects of water surface.
NumberWhat it means
at least one-tenth of an inch of waterDynamic depth
no more than one-thousandth of an inchViscous depth
can persist to 20 knots or less groundspeedReverted rubber

FAA references

  1. AFH ch. 9 (pp. 9-37–9-38) — FAA-H-8083-3C
  2. SEA ch. 6 (p. 6-8) — FAA-H-8083-23
  3. PHAK ch. 11 (p. 11-13) — FAA-H-8083-25C (2023)
  4. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
  5. SEA ch. 5 (p. 5-1) — FAA-H-8083-23
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