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

Promptly recognize an engine failure and maintain positive aircraft control.

ACS element text (the applicant demonstrates understanding of)

Promptly recognize an engine failure and maintain positive aircraft control.

Bottom line

Loss of directional control may be experienced at speeds almost 20 knots above published Vmc when the wings are held level. OEI flight with the ball centered and the remaining engine providing any appreciable power is never correct due to the sideslip generated.

FAA references

  1. FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
  2. PHAK ch. 2 (p. 2-19) — FAA-H-8083-25C (2023)
  3. PHAK ch. 2 (p. 2-20) — FAA-H-8083-25C (2023)
  4. FAAP874066 Landing Gear Selected Up, OEI Climb Performance Adequate — FAA-P-8740-66
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