PA.X.AFAA-S-ACS-6C · Nov 2023
Maneuvering with One Engine Inoperative (AMEL, AMES)
To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with maneuvering with one engine inoperative. Note: See Appendix 2: Safety of Flight and Appendix 3: Aircraft, Equipment, and Operational Requirements & Limitations for information related to this Task.
Bottom line
With loss of an engine, it is paramount to maintain airplane control and comply with the manufacturer’s recommended emergency procedures. After the flaps and landing gear have been retracted and the propeller of the inoperative engine feathered, a key element in extracting best climb performance is minimizing sideslip.
FAA references
- AFH ch. 13 (p. 13-30) — FAA-H-8083-3C
- AFH ch. 13 (pp. 13-31–13-32) — FAA-H-8083-3C
- FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
- PHAK ch. 2 (p. 2-20) — FAA-H-8083-25C (2023)
- FAAP874066 Landing Gear Selected Up, OEI Climb Performance Adequate — FAA-P-8740-66
Knowledge
- PA.X.A.K1: Factors affecting minimum controllable speed (VMC).
- PA.X.A.K2: VMC (red line) and best single-engine rate of climb airspeed (VYSE) (blue line).
- PA.X.A.K3: How to identify, verify, feather, and secure an inoperative engine.
- PA.X.A.K4: Importance of drag reduction, including propeller feathering, gear and flap retraction, the manufacturer's recommended control input and its
- PA.X.A.K5: Feathering, securing, unfeathering, and restarting.
Risk management
- PA.X.A.R1: Potential engine failure during flight.
- PA.X.A.R2: Collision hazards.
- PA.X.A.R3: Configuring the airplane.
- PA.X.A.R4: Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
- PA.X.A.R5: Distractions, task prioritization, loss of situational awareness, or disorientation.
Skills
- PA.X.A.S1: Recognize an engine failure, maintain control, use manufacturer’s memory item procedures, and use appropriate emergency procedures.
- PA.X.A.S2: Set the engine controls, identify and verify the inoperative engine, and feather the appropriate propeller.
- PA.X.A.S3: Use flight controls in the proper combination as recommended by the manufacturer, or as required to maintain best performance, and trim as r
- PA.X.A.S4: Attempt to determine and resolve the reason for the engine failure.
- PA.X.A.S5: Secure the inoperative engine and monitor the operating engine and make necessary adjustments.
- PA.X.A.S6: Restart the inoperative engine using manufacturer’s restart procedures.
- PA.X.A.S7: Maintain altitude ±100 feet or minimum sink rate if applicable, airspeed ±10 knots, and selected headings ±10°.
- PA.X.A.S8: Complete the appropriate checklist(s).
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