What does the term "control surface travel" refer to?

The term "control surface travel" refers specifically to the range of motion allowed for the movable parts of the aircraft, such as ailerons, elevators, and rudders. These surfaces are critical for controlling the aircraft’s orientation and direction during flight. Understanding control surface travel is essential for pilots and engineers as it directly impacts the aircraft's responsiveness and handling characteristics.

This range of motion is typically measured in degrees and can determine how effectively an aircraft can maneuver, particularly during critical phases of flight like takeoff, landing, and in turbulence. Proper adjustment and understanding of this travel are key factors in ensuring the aircraft's control and stability.

The other options focus on different aspects of aircraft characteristics. The distance between the wing tips relates to the wingspan, weight capacity is about load limitations, and aerodynamic stability refers to the overall stability characteristics of the aircraft's design, rather than specific control movements.