Pilot Exam Coach

US Private Pilot

Switch to Canada PSTAR
AerodynamicsQuestion 491 of 934

At a high angle of attack, the downward-moving propeller blade makes more lift than the upward-moving blade. What is the result?

  1. The nose yaws to the left
  2. The nose pitches down
  3. The airplane rolls right
  4. The nose yaws to the right
Show answer

Correct answer: The nose yaws to the left

This is asymmetric loading, or P-factor. It moves the center of thrust to the right and causes a yaw to the left.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 5: Aerodynamics of Flight — Torque and P-Factor — Asymmetric Loading (P-Factor), page 129

Practice aerodynamics

Questions last reviewed: 18 October 2026