CA.I.I.S1FAA-S-ACS-7B · Nov 2023Skills

Assess the water surface characteristics for the proposed flight.

ACS element text (the applicant demonstrates understanding of)

Assess the water surface characteristics for the proposed flight.

Bottom line

The ability to read the water's surface is an integral part of seaplane flying. The interaction of wind and water determines the surface conditions, while tides and currents affect the movement of the water itself. Under calm wind conditions, the smooth water surface presents a uniform, mirror-like appearance from above, which eliminates visual references for the pilot and can be extremely deceptive.

FAA references

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