High performance aircraft are affected by center of gravity variations. Controlling the center of gravity allows the aircraft to operate in a much more uniform flight profile minimizing drag on control services and optimizing fuel burn. By closely monitoring fuel quantity and location the most efficient aircraft center of gravity is maintained throughout the entire flight profile. These systems utilize a distributive approach to monitor and control the transfer pumps and valves. High integrity software, redundant hardware, BIT function and redundent bus structure insure efficient trouble free operation. Goodrich was the first supplier to implement active Center of Gravity Management for a high performance aircraft.