A vehicle management system (VMS) computer includes a processor and a memory coupled to the processor by a bus. The VMS computer also includes a power distribution controller that includes a plurality of power distribution circuits that are each controlled by the controller to supply power to a plurality of end component loads. The power distribution controller is communicably coupled to the processor and the memory by the bus. The VMS computer also includes a plurality of parallel power distribution lines. Each pair of parallel power distribution lines couples a respective one of the plurality of power distribution circuits to a corresponding one of a plurality of end component loads. Each of the plurality of power distribution circuits supplies power via both lines in a respective pair of the plurality of parallel power distribution lines.