What can a pilot typically expect from the control input during a progressive spin?

In a progressive spin, pilots can expect that incorrect control inputs will worsen the situation. This phenomenon is primarily due to the aircraft's adverse flight characteristics during a spin. In such a scenario, if a pilot attempts to use control inputs that might have been effective in normal flight, those actions can lead to increased yaw or roll, exacerbating the spin.

During a spin, the aerodynamics of the aircraft are severely altered, and the effectiveness of inputs from the controls diminishes significantly. As the spin develops, the aircraft is in a state of uncoordinated flight, where the control surfaces may not respond as they do under normal conditions. Thus, relying on instinct to "correct" the spin with inappropriate inputs can lead to deeper entry into the spin.

It's crucial for pilots to understand the specific recovery procedures for spins, which often involve reducing control input, achieving the correct attitude, and applying the appropriate recovery techniques. This understanding is vital for safe operational practices and to avoid exacerbating spin conditions.