CA.I.I.K4FAA-S-ACS-7B · Nov 2023Knowledge
How to locate and identify seaplane bases on charts or in directories.
How to locate and identify seaplane bases on charts or in directories.
Bottom line
Established seaplane bases are shown on aeronautical charts and are listed in the Airport/Facility Directory. On aeronautical charts, seaplane landing areas are depicted with symbols similar to land airports, with the addition of an anchor in the center.
Key numbers
| Number | What it means |
|---|---|
| Chart Supplement U.S. revised every 56 days | Revision cycle |
| white and yellow alternating for water landing areas | Beacon colors |
FAA references
- SEA ch. 3 (p. 3-4) — FAA-H-8083-23
- SEA ch. 1 (p. 1-2) — FAA-H-8083-23
- PHAK ch. 14 (pp. 14-3–14-4) — FAA-H-8083-25C (2023)
- PHAK ch. 1 (p. 1-12) — FAA-H-8083-25C (2023)
- AIM 7-6-9 (Seaplane Safety) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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