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PA.IV.E.K3FAA-S-ACS-6C · Nov 2023Knowledge

Appropriate airplane configuration.

ACS element text (the applicant demonstrates understanding of)

Appropriate airplane configuration.

Bottom line

Configuration changes affect climb performance because they affect excess thrust and power. Lowering the landing gear or lowering the flaps decreases both excess thrust and excess power for all aircraft. In the absence of specific short-field procedures, the airplane should be operated as recommended in the AFM/POH.

Key numbers

Key numbers for Appropriate airplane configuration.
NumberWhat it means
Full flaps for the steepest approach angleFlaps on short-field
Retract from full to an intermediate position with sufficient airspeedGo-around flaps

FAA references

  1. PHAK ch. 11 (p. 11-8) — FAA-H-8083-25C (2023)
  2. AFH ch. 13 (p. 13-22) — FAA-H-8083-3C
  3. AFH ch. 9 (p. 9-11) — FAA-H-8083-3C
  4. AFH ch. 2 (p. 2-22) — FAA-H-8083-3C
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