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PA.IX.G.R1FAA-S-ACS-6C · Nov 2023Risk management

Potential engine failure inflight or during an approach.

ACS element text (the applicant demonstrates understanding of)

Potential engine failure inflight or during an approach.

Bottom line

Loss of directional control may be experienced at speeds almost 20 knots above published Vmc when the wings are held level. Critical items to be checked include the position of the fuel tank selector, the quantity of fuel in the tank selected, the fuel pressure gauge to see if the electric fuel pump is needed, the position of the mixture control, the position of the magneto switch, and the use of carburetor heat.

FAA references

  1. FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
  2. RMH ch. 3 (p. 3-1) — FAA-H-8083-2A
  3. PHAK ch. 2 (p. 2-19) — FAA-H-8083-25C (2023)
  4. PHAK ch. 2 (p. 2-20) — FAA-H-8083-25C (2023)
  5. AFH ch. 9 (p. 9-29) — FAA-H-8083-3C
  6. AFH ch. 3 (p. 3-24) — FAA-H-8083-3C
  7. PHAK ch. 9 (p. 9-4) — FAA-H-8083-25C (2023)
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