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Flight Instructor Airplane · Area II: Technical Subject Areas

Task D. Principles of Flight

FAA-S-ACS-25 · Effective 2024-05-31

Official FAA standard (PDF) ↗

Knowledge

What you should understand and be able to explain.

6 elements
  • AI.II.D.K1
    Airfoil design characteristics.
  • AI.II.D.K2
    Airplane stability, maneuverability and controllability.
  • AI.II.D.K3
    Turning tendency (e.g., torque, p-factor, spiraling slipstream, and gyroscopic precession).
  • AI.II.D.K4
    Forces acting on an airplane.
  • AI.II.D.K5
    Load factors in airplane design.
  • AI.II.D.K6
    Wingtip vortices and appropriate precautions.

Risk management

Risks to recognize and decisions to consider.

1 elements
  • AI.II.D.R1
    The basic aerodynamic principles of flight.
Skill elements and task objectives

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