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CA.I.I.K1hFAA-S-ACS-7B · Nov 2023Knowledge

h. Other characteristics specific to the area

ACS element text (the applicant demonstrates understanding of)

The characteristics of a water surface as affected by features, such as: h. Other characteristics specific to the area

Bottom line

Obstructions may exist below the water at a seaplane base and could be affected by tides. Rough water or glassy water conditions may exist at a seaplane base.

FAA references

  1. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
  2. AIM 7-6-9 (Seaplane Safety) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. SEA ch. 1 (p. 1-2) — FAA-H-8083-23
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