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AI.XII.F.S2FAA-S-ACS-25 · Nov 2023Skills

Establish VYSE; if obstructions are present, establish best single-engine angle of clim...

ACS element text (the applicant demonstrates understanding of)

Establish VYSE; if obstructions are present, establish best single-engine angle of climb speed (VXSE) or VMC +5 knots, whichever is greater, until obstructions are cleared. Then transition to VYSE.

Bottom line

After an engine failure with adequate single-engine climb performance, the pitch attitude for Vyse should be assumed. Assume the bank angle and ball position for zero sideslip and maintain the best climb rate at Vyse. VXSE is used only to clear obstructions during OEI initial climbout because it gives the greatest altitude gain per unit of horizontal travel.

FAA references

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