How does load distribution affect center of gravity management on a narrowbody airframe?

• A. It affects radio communication range
• B. It affects cabin lighting brightness
• C. It affects stability, performance, and allowable takeoff/landing limits
• D. It affects evacuation slide temperature

Answer: (C)

Load distribution shifts the center of gravity along the fuselage, and the CG location determines how the airplane balances and responds to control inputs. On a narrowbody, moving weight forward increases elevator force required for rotation and climb and can raise stall speed and trim burden, while shifting weight aft reduces stability and makes the aircraft more pitch-sensitive, potentially leading to control difficulties. Because the flight manual defines a CG range for each weight, every loading configuration must keep the CG within those limits to ensure safe takeoff rotation, stable cruise handling, and proper landing characteristics. Other options like radio range, cabin lighting, or evacuation slide temperature aren’t governed by CG in the same way, so the impact on stability, performance, and takeoff/landing limits is the key concept.