CA.IX.F.S3FAA-S-ACS-7B · Nov 2023Skills

Reduce drag by retracting landing gear and flaps in accordance with the manufacturer’s ...

ACS element text (the applicant demonstrates understanding of)

Reduce drag by retracting landing gear and flaps in accordance with the manufacturer’s guidance.

Bottom line

Drag from a windmilling propeller, extended landing gear, flaps extended beyond optimum, or any sideslip will reduce or even eliminate any modest single-engine performance that may exist.

FAA references

  1. AFH ch. 13 (pp. 13-29–13-30) — FAA-H-8083-3C
  2. FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
  3. FAAP874066 Landing Gear Selected Up, OEI Climb Performance Adequate — FAA-P-8740-66
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