Definition
Pilot-applied control wheel or stick movements to the left or right that deflect the ailerons, producing roll about the airplane's longitudinal axis. Aileron inputs control bank angle and are used to enter, maintain, and exit turns, and to correct for unwanted rolling tendencies.
Plain English
When the pilot moves the control wheel or stick sideways, the ailerons on the wings move and the airplane rolls. "Aileron inputs" simply means those sideways control movements the pilot is making to bank the airplane.
Context Anchor
You encounter this term when learning how to roll into a turn, roll out of a turn, correct bank angle, or keep the airplane coordinated.
Derivation
Aileron comes from the French aileron, meaning "little wing." The control surfaces sit at the outer edge of each wing and act like small wings of their own, tilting the airplane into a roll. "Inputs" simply means what the pilot is putting into the controls.
Why Pilots Care
Proper aileron inputs produce smooth banks without creating unwanted yaw that must be corrected with rudder.
Grounding Statement
A small left aileron input starts the airplane banking left; easing the control back reduces the roll and helps stop the bank from increasing.
Intuition Check
Input does not mean information typed into a computer here. In this context, it means a physical control movement made by the pilot. Aileron inputs do not directly turn the nose; they roll the airplane so it can bank into or out of a turn.
Example Sentence 1
She applied a small left aileron input to begin a gentle bank into the turn.
Example Sentence 2
In turbulence, small aileron inputs helped keep the wings level without overcontrolling.