The invention relates to an aircraft control system containing several aircraft control computers (14, 16, 18, 20) for said aircraft, said system having at least one server (10) which: contains at least one aeronautical data base (12); is connected to at least one subassembly of said control computers through data transmission links (26a, 26b, 26c, 26d); is able to supply information from said at least one aeronautical data base to the computers of said control computer subassembly, said at least one server being able to supply information from said at least one aeronautical data base to a computer of said control computer subassembly, in a period of time less than a predetermined duration, upon request from said computer, when said information is not available in a local data base of said computer.