AI.VII.A.S10FAA-S-ACS-25 · Nov 2023Skills

Establish and maintain the most efficient planing/lift-off attitude, and correct for po...

ACS element text (the applicant demonstrates understanding of)

Establish and maintain the most efficient planing/lift-off attitude, and correct for porpoising or skipping (ASES, AMES).

Bottom line

When the nose reaches its highest point, ease the back pressure to allow the seaplane to come up on the step. Establish the optimum planing attitude and allow the seaplane to accelerate to lift-off speed. Occasionally it may be necessary to gently help the floats unstick by either using some aileron to lift one float out of the water or by adding a small amount of back pressure on the elevator control.

FAA references

  1. SEA ch. 4 (p. 4-12) — FAA-H-8083-23
  2. AFH ch. 9 (p. 9-12) — FAA-H-8083-3C
  3. PHAK ch. 2 (p. 2-12) — FAA-H-8083-25C (2023)
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