What is call the ball meaning?

"Call the ball" is a phrase commonly used in aviation to indicate that a pilot has visually located the landing runway or the landing zone during a Visual Approach Slope Indicator (VASI) approach. It is often used during military and carrier aviation operations when pilots are required to make precise landings on a moving carrier deck. The phrase signifies that the pilot has made visual contact with the runway and is ready to land, allowing flight deck personnel to vector the aircraft to the correct surface landing spot. This phrase ensures that communication is streamlined and that any misinterpretation that could lead to an accident is avoided.