Commercial Pilot Written Test Prep: The stalling speed of an airplane is most affected by

a. changes in air density. b. variations in flight altitude. c. variations in airplane loading. DISCLAIMER Please do not use this video for any sort of instruction, this is for my own memorization purposes only. If you're interested in learning to fly, please consult with a CFI in your area. Further Review: Airspace classes: Limits, requirements, restrictions and airspeeds View my playlist for more commercial pilot written test questions!    • Valerie's Commercial Pilot Written Test Pr...   Thank you for your likes, comments and subscriptions!