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AI.VIII.D.K2FAA-S-ACS-25 · Nov 2023Knowledge

Flight control and trim use.

ACS element text (the applicant demonstrates understanding of)

Flight control and trim use.

Bottom line

Trim systems relieve the pilot of the need to maintain constant pressure on the flight controls.

Key numbers

Key numbers for Flight control and trim use.
NumberWhat it means
no more than 10° bank angle, when a turn is to be madeBank limit
no more than one bar width up or down on the attitude indicatorPitch change

FAA references

  1. PHAK ch. 6 (p. 6-10) — FAA-H-8083-25C (2023)
  2. AFH ch. 18 (pp. 18-18–18-19) — FAA-H-8083-3C
  3. PHAK Glossary (p. G-31) — FAA-H-8083-25C (2023)
  4. AFH ch. 5, Performing the Slow Flight Maneuver; Maneuvering in Slow Flight (p. 5-11) — FAA-H-8083-3C
  5. AFH ch. 9 (p. 9-11) — FAA-H-8083-3C
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