Definition
The simultaneous, matched application of aileron and rudder inputs during a turn so that the airplane rolls into and out of the bank without slipping or skidding. The ailerons set the bank angle while the rudder offsets the adverse yaw produced by the ailerons, keeping the airplane's longitudinal axis aligned with the flight path.
Plain English
Using the control wheel and the rudder pedals together so the airplane turns smoothly, without sliding sideways through the air.
Context Anchor
You use this during straight flight, turns, and small heading corrections whenever control wheel or stick movement needs matching rudder pedal pressure.
Derivation
Coordinated comes from the Latin co- (together) and ordinare (to arrange in order). The two controls are 'arranged together' so their effects combine into one clean turn rather than fighting each other.
Why Pilots Care
Uncoordinated inputs create slips or skids that reduce performance and can lead to loss of control during turns or gusts.
Grounding Statement
Picture rolling the airplane slightly with the control wheel while adding just enough rudder pedal pressure to keep the nose tracking straight ahead or smoothly through the turn.
Intuition Check
Coordinated does not just mean “smooth” or “well organized” in a general sense. Here it specifically means the ailerons and rudder are being used together so the airplane’s roll and nose direction match.
Example Sentence 1
The instructor demonstrated coordinated use of ailerons and rudder by rolling smoothly into a 30-degree bank while the inclinometer ball stayed centered.
Example Sentence 2
When entering a gentle turn the student used coordinated ailerons and rudder so the airplane rolled smoothly without slipping outward.