Flight Instructor Airplane · Area II: Technical Subject Areas

Task P. One Engine Inoperative (OEI) Performance (AMEL, AMES)

FAA-S-ACS-25 · Effective 2024-05-31

Knowledge

What you should understand and be able to explain.

11 elements
  • AI.II.P.K1
    Proficient use of appropriate performance charts, tables, graphs, or other data to determine airplane performance and limitations for all phases of flight.
  • AI.II.P.K2
    Effects of exceeding limitations.
  • AI.II.P.K3
    Effects of atmospheric conditions on performance.
  • AI.II.P.K4
    Factors to be considered to determine required performance is within the airplane's single and multiengine cababilities.
  • AI.II.P.K5
    Aerodynamics of OEI operation including:
  • AI.II.P.K5a
    Critical engine
  • AI.II.P.K5b
    Effects of bank angle on VMC
  • AI.II.P.K5c
    Zero side slip
  • AI.II.P.K5d
    Reasons for loss of directional control
  • AI.II.P.K6
    The relationship between minimum control speed (VMC) and stall speed and the effect of density altitude on that relationship.
  • AI.II.P.K7
    How to determine the best course of action after an engine failure.

Risk management

Risks to recognize and decisions to consider.

4 elements
  • AI.II.P.R1
    Exceeding the critical angle of attack.
  • AI.II.P.R2
    Loss of directional control.
  • AI.II.P.R3
    Flying over terrain that exceeds the single engine service ceiling.
  • AI.II.P.R4
    Fuel management.
Skill elements and task objectives

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