What is the general sequence for trimming the aircraft?

The correct sequence for trimming the aircraft consists of rudder first, followed by elevator, and finally aileron. This sequence is essential to maintain the aircraft's coordinated flight, optimize performance, and reduce pilot workload.

Starting with the rudder is crucial because it helps ensure that the aircraft remains coordinated during straight and level flight. If the aircraft has a tendency to yaw (which can occur due to engine torque or asymmetrical thrust), adjusting the rudder trim first allows for better alignment with the aircraft's flight path.

After addressing rudder needs, the next step is to trim the elevator. This adjustment is important for maintaining the desired pitch attitude without requiring continuous input from the controls. By trimming the elevator, the pilot can achieve a stable climb, descent, or level flight, depending on the flight situation.

Finally, adjusting the aileron trim helps eliminate any roll tendency, allowing the pilot to maintain level flight with minimal control input. This step is done last because any roll inputs might have been affected by the previous trims of the rudder and elevator.

By following this sequence—rudder, elevator, and then aileron—the pilot effectively ensures that the aircraft is well-trimmed and operating efficiently, ultimately enhancing safety and comfort during flight.