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CA.I.I.K1eFAA-S-ACS-7B · Nov 2023Knowledge

e. Floating and partially submerged debris

ACS element text (the applicant demonstrates understanding of)

The characteristics of a water surface as affected by features, such as: e. Floating and partially submerged debris

Bottom line

If the water is clear, and there is not much wind, it is possible to see areas of waterweeds or obstructions lying below the surface. Noting their position before landing can prevent fouling the water rudders with weeds while taxiing, or puncturing a float on a submerged snag.

FAA references

  1. SEA ch. 6 (p. 6-1) — FAA-H-8083-23
  2. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
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