Why is the aircraft's center of gravity significant?

The significance of the aircraft's center of gravity (CG) lies primarily in its crucial role in influencing stability, control, and overall performance. The position of the CG affects how the aircraft responds to control inputs and maneuvers. When the CG is located within the designed limits, the aircraft will have predictable aerodynamic characteristics, ensuring stable flight.

A well-positioned CG allows for controlled takeoffs and landings and helps maintain the aircraft's balance in various flight conditions. If the CG is too far forward or too far aft, it can lead to undesirable flight characteristics, such as difficulties in controlling pitch or even increased susceptibility to stalls. Hence, understanding and managing the CG is vital for safe and efficient aircraft operations, confirming its importance in aviation performance.