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What Is the Rudder Used for in Flying?

Those pedals are there for a reason. Here's why.

Rudder controls the side-to-side motion of the nose of the airplane. [Courtesy: Meg Godlewski]
Gemini Sparkle

Key Takeaways:

  • The rudder controls the side-to-side motion of an airplane's nose, a movement technically known as yaw.
  • When ailerons are used to bank for a turn, a phenomenon called "adverse yaw" occurs, causing the nose to initially yaw in the opposite direction of the desired turn.
  • The primary use of the rudder during turns is to counteract this adverse yaw, ensuring a coordinated (smoother) turn and preventing an uncoordinated flight condition.
  • Pilots often use a turn coordinator or slip skid indicator (the "ball") and the technique "step on the ball" to apply the correct rudder input for a coordinated turn.
See a mistake? Contact us.

Question: I fly in Microsoft Flight Simulator 2020. I was wondering, what do you use the rudder for in flight?

Answer: Rudder controls the side-to-side motion of the nose of the airplane—the technical term for this is yaw.

Meg Godlewski

Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.

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