Which statement best describes the stall angle of an aircraft?

The stall angle of an aircraft, referred to as the angle of attack at which the airflow over the wings becomes turbulent and lift dramatically decreases, is primarily a function of the wing design and the airfoil's characteristics. This angle is inherent to the wing's geometry and does not vary significantly with changes in aircraft weight or altitude under normal conditions.

Weight and balance do impact the stall speed, which increases with weight, but the actual stall angle remains consistent for a given airfoil regardless of the weight of the aircraft. Therefore, the assertion that the stall angle is constant regardless of weight accurately reflects the aerodynamic principles governing an aircraft's flight characteristics. This principle is fundamental to understanding performance, particularly in phases like takeoff and landing where maintaining an appropriate angle of attack is critical to avoid stalling.

In contrast, the other options contain misunderstandings about the stall angle's relationship with various flight parameters.