Final answer
The aircraft is controlled around the longitudinal axis by the Ailerons. This control is termed as Roll control.
Explanation:
The primary control responsible for managing the aircraft's movement around its longitudinal axis is the aileron. Positioned on the trailing edge of the wings, these control surfaces work in opposite directions, with one aileron moving up while the other moves down. This action alters the lift generated by each wing, inducing a rolling motion in the aircraft. By manipulating the ailerons, pilots can initiate and control rolls, allowing the aircraft to bank left or right.
Ailerons, as part of the aircraft's control surfaces, are vital for executing coordinated turns and maintaining the desired bank angle. They are operated by the pilot using the control yoke or stick, exerting control over the roll axis of the aircraft. Precise adjustments in aileron positions enable the pilot to achieve a smooth and controlled motion around the longitudinal axis.
In essence, the ailerons' role as the primary control surfaces responsible for altering the lift distribution across the wings allows pilots to manage the aircraft's movements around the longitudinal axis, ensuring precise and controlled maneuvers during flight.
This control method, termed Roll control, plays a crucial role in maneuvering the aircraft during flight, allowing pilots to bank, level, or execute turns while maintaining stability and control in the sky.