Commercial Pilot Airplane (CAX) Calculations Practice Exam 2026 – The All-in-One Guide to Master Your Certification!

Stall speed is the minimum speed at which an aircraft can maintain level flight without stalling. It is influenced by several factors, including the weight of the aircraft. When the weight of an aircraft increases, the required lift also increases to maintain level flight. This necessitates flying at a higher speed because the wings need to generate enough lift to counteract the increased weight.

As per aerodynamic principles, the stall speed increases with an increase in weight. More specifically, stall speed is proportional to the square root of the aircraft's weight. Therefore, as the weight of the aircraft increases, the stall speed rises, establishing a direct relationship between the two.

In summary, an increase in aircraft weight leads to an increase in stall speed, which is consistent with the aerodynamic requirements for maintaining lift.