Thales

Olivier Friedmann

François Coulmeau

Guilhem Putz

Jean-Christophe Jaillant

A method of generating a flight plan including a number N-1 of segments SG, i being an integer number between 2 and N. Segment SGlinks an auxiliary departure position to an auxiliary arrival position according to a route. The route is a straight line defined by a list of auxiliary route positions. Each route is stored in a database onboard the aircraft. The method includes a coupled determination of an auxiliary arrival position that is part of the auxiliary positions of at least one of the routes and of a route followed by the segment SG. The coupled determination is produced from an auxiliary departure position and a route R, followed by the segment SG.

Method of generating an aircraft flight plan

The subject of the present invention is a method of estimating, at any point of a path of an aircraft, characteristics of the wind making it possible to take very close account of the winds to construct predictions of the times of passage and of the consumption of the aircraft along its flight plan, and this method is characterized in that it consists in collecting, around the trajectory of the aircraft, a grid of parameter values of winds at a predetermined number of points in space, in comparing these values to those deriving from space-time wind trend models, in selecting, path section by section, the most likely model, and in interpolating, for each section, the local characteristics of the wind of all the points of interest of the trajectory.

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Toulouse, France

Olivier Friedmann