CA.XI.B.S5FAA-S-ACS-7B · Nov 2023Skills

Secure the seaplane considering the effect of wind, waves, and changes in water level, ...

ACS element text (the applicant demonstrates understanding of)

Secure the seaplane considering the effect of wind, waves, and changes in water level, or comply with applicable after landing, parking, and securing procedures if operating an amphibious airplane on land.

Bottom line

Even small waves may alternately pick up and drop the seaplane, potentially causing serious damage, unless the seaplane is beached well out of their reach. An incoming tide can float a beached seaplane in just a few minutes. Do not leave the seaplane unattended unless at least a tail line is fastened to some solid object ashore.

FAA references

  1. SEA ch. 6 (pp. 6-8–6-9) — FAA-H-8083-23
  2. SEA ch. 6 (p. 6-10) — FAA-H-8083-23
  3. SEA ch. 9 (p. 9-6) — FAA-H-8083-23
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