Flight Instructor Airplane · Area XIII: Multiengine Operations

Task A. Maneuvering with One Engine Inoperative (AMEL, AMES)

FAA-S-ACS-25 · Effective 2024-05-31

Knowledge

What you should understand and be able to explain.

6 elements
  • AI.XIII.A.K1
    Factors affecting minimum controllable speed (VMC).
  • AI.XIII.A.K2
    VMC (red line) and best single-engine rate of climb airspeed (VYSE) (blue line).
  • AI.XIII.A.K3
    How to identify, verify, feather, and secure an inoperative engine.
  • AI.XIII.A.K4
    Importance of drag reduction, including propeller feathering, gear and flap retraction, the manufacturer’s recommended control input and its relation to zero sideslip.
  • AI.XIII.A.K5
    Feathering, securing, unfeathering, and restarting.
  • AI.XIII.A.K6
    Common errors related to this Task.

Risk management

Risks to recognize and decisions to consider.

5 elements
  • AI.XIII.A.R1
    Potential engine failure during flight.
  • AI.XIII.A.R2
    Collision hazards.
  • AI.XIII.A.R3
    Configuring the airplane.
  • AI.XIII.A.R4
    Low altitude maneuvering, including stall, spin, or controlled flight into terrain (CFIT).
  • AI.XIII.A.R5
    Distractions, task prioritization, loss of situational awareness, or disorientation.
Skill elements and task objectives

This page covers knowledge and risk management. For the complete task, including skill standards, open the FAA document (PDF).