What effect does the stall pattern of a rectangular wing have during an approach to stall?

The stall pattern of a rectangular wing is characterized by its relatively uniform lift distribution along the span of the wing. When a rectangular wing approaches a stall, it typically experiences a gradual decrease in lift rather than an abrupt one. This behavior allows for better lateral control and handling characteristics as the stall begins.

As the airflow separates from the wing, the stall usually starts from the root (the part of the wing closest to the fuselage) and progresses outward towards the tip. This gradual stall progression means that a pilot can still maintain some level of aileron effectiveness and therefore lateral control over the aircraft even as lift starts to diminish. All of this contributes to a more predictable and manageable stall behavior, enhancing the pilot's ability to control the aircraft during critical phases of flight such as approach.

In contrast, options that refer to decreased lateral control or increased rolling tendencies reflect characteristics more associated with other wing designs or configurations, such as tapered or delta wings, which can stall more abruptly and lead to loss of control. The sudden loss of lift tends to be more associated with those configurations too, rather than the smoother transition seen with rectangular wings.