Which of the following describes coordinated flight?

Coordinated flight occurs when the airplane's longitudinal axis is aligned with the relative wind. This alignment ensures that the aircraft is flying straight and true, without any unnecessary yawing or sideslip. When in coordinated flight, the aircraft maintains optimal aerodynamic efficiency, allowing for smooth handling and control, which is essential for maintaining straight flight and effective maneuvering.

In this state, the pilot effectively uses the ailerons and rudder to manage the balance of forces acting on the airplane, thereby preventing any dragging effect from the side, which could lead to instability or unwanted aerodynamic behaviors. Being in coordinated flight minimizes side forces, reduces drag, and enhances overall performance, making it a crucial concept in aviation for ensuring both safety and efficiency.