Patent ID: 8515598

Claim:
A method for aiding flight management of an aircraft, the aircraft initially following an original flight plan and able to be guided according to one of a plurality of guiding modes, the method comprising the steps of: a) generating and collecting a set of information with a flight control unit, the set of information further comprising: current values of flight parameters of the aircraft; a guiding mode, the guiding mode chosen from a plurality of guiding modes; and at least one lateral directive to be followed by the aircraft, the lateral directive receivable by the flight control unit; b) determining an updated lateral trajectory to be followed by the aircraft, when the aircraft must deviate from the original flight plan, with a calculation device connected to the flight control unit, the calculation device using at least the set of information and at least one modeling of a guiding law corresponding to the chosen guiding mode; and c) displaying the updated lateral trajectory in real time on a viewing screen of a cockpit of the aircraft to illustrate how the aircraft will deviate from the original flight plan.