SYSTEM AND METHOD FOR THE PREPARATION OF AT LEAST A MISSION OF FLIGHT OF ONE LIST OF FLIGHT MISSIONS. The present invention deals with a system (3) for the preparation of a mission of flight, characterized for understanding a monitor (13), ways of of entrance information (12), a central processing unit (5) that it understands at least a memory (21), including at least a data base that it understands characteristics of aircraft and the requirements for the mission, and applicatory (25) for (23) preparation and a tracking of missions that understand. This application understands ways (29) to manage a graphical interface (27), capable to command an exhibition on the cited monitor (13) of the excellent characteristics of related the aircraft and requisite them for the mission, ways of detention (29) for the detention of an action of association of the mission with an aircraft, and of ways of management (31) capable to establish a connection with the computer in the data base between the characteristics of the aircraft and the requirements of the mission