Thales

Stéphanie Fortier

François Coulmeau

Jérôme Sacle

Method of formulating a lateral flight trajectory for the rejoining by an aircraft () of a trajectory of a flight plan () comprising a plurality of waypoints (), the aircraft () flying outside of the flight plan () and according to a divergent track with respect to the trajectory of the flight plan (), characterized in that the method: Advantageously, the flight trajectory formulation method allows the application of speed and/or altitude constraints to the aircraft () taking into account speed and/or altitude constraints imposed along the trajectory of the flight plan ().

Method of short-term rejoining of a flight plan by radar guidance of an aircraft

A flight management system for an aircraft, for executing a flight plan comprising referenced waypoints comprising a start point, an end point and intermediate waypoints, the said aircraft having a specified fuel quantity at the start of the said flight plan, executes a function of monitoring the fuel consumption with respect to at least one threshold value. The function comprises an operation for estimating if the quantity of fuel remaining on board drops below a threshold at any point in the flight plan included between the start point and the end point, and inserts a corresponding pseudo-waypoint in the flight plan, corresponding to the point where the said threshold is passed. The inserted pseudo-point is displayed on screens for displaying the flight plan.

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Cugnaux, France

Stéphanie Fortier