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AI.XIII.B.S1fFAA-S-ACS-25 · Nov 2023Skills

f. Power on critical engine reduced to idle and propeller windmilling

ACS element text (the applicant demonstrates understanding of)

Configure the airplane in accordance with the manufacturer’s recommendations, in the absence of the manufacturer’s recommendations, then at safe single-engine speed (VSSE/VYSE), as appropriate, and: f. Power on critical engine reduced to idle and propeller windmilling

Bottom line

The pilot selects an entry heading, sets high rpm on both propeller controls, and throttles the critical (left) engine back to idle as the right engine power is advanced to the takeoff setting. The left yawing and rolling moment of the asymmetrical thrust is counteracted primarily with right rudder.

FAA references

  1. AFH ch. 13 (p. 13-26) — FAA-H-8083-3C
  2. FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
  3. AFH ch. 13 (p. 13-18) — FAA-H-8083-3C
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