Method for aiding the taxiing of an aircraft

1. A computer-aided method for reducing fuel consumption during the taxiing of an aircraft having an on-board computer processor, a display, and a plurality of onboard propulsion means, whereby the aircraft is able to move over an airport taxi zone according to at least one specific taxiing procedure, the procedure being restricted by taxiing conditions and defined taxiing directives for moving the aircraft by means of a reduced portion of the onboard propulsion means, the method comprising the following steps:

checking of the taxiing conditions for implementation of the taxiing procedure and calculation of the implementation parameters of the procedure, the parameters comprising taxiing time according to the specific taxiing procedure;

calculating taxiing performance data resulting from the implementation of the taxiing procedure, the performance data comprising an amount of reduced fuel consumption of the aircraft as a function of the taxiing time;

rendering on a display screen for a user the taxiing directives and the taxiing performance data related to the taxiing procedure;

monitoring the parameters of the avionics systems of the aircraft during the implementation of the taxiing procedure; and

rendering on a display screen for a user the taxiing directives and the taxiing performance data related to the taxiing procedure.

2. Method according to claim 1 , wherein the taxiing directives comprises:

data regarding taxiing time according to the specific taxiing procedure;

location points for deactivating part of the propulsion means; and

location points for activating part of the propulsion means.

3. Method according to claim 2 , wherein the parameters of the avionics systems comprise at least the data regarding the state of the propulsion systems.

4. Method according to claim 3 , wherein the taxiing conditions comprise the conditions for implementing the taxiing procedure, the aircraft's configuration data, and parameters of the aircraft's avionics systems.

5. Method according to claim 1 , wherein the propulsion means which are not used are of the same type as the propulsion means which are used.

6. Method according to claim 1 , wherein the method is implemented for a plurality of specific taxiing procedures, whereby the taxiing performance data are displayed for each of the specific taxiing procedures.

7. A computer-aided method for reducing fuel consumption during the taxiing of an aircraft having an on-board computer processor, a display, and a plurality of onboard propulsion means, whereby the aircraft is able to move over an airport taxi zone according to at least one specific taxiing procedure, the procedure being restricted by taxiing conditions and defined taxiing directives for moving the aircraft by means of a reduced portion of the onboard propulsion means, the method comprising the following steps:

checking of the taxiing conditions for implementation of the taxiing procedure and calculation of the implementation parameters of the procedure, the parameters comprising taxiing time according to the specific taxiing procedure;

calculating taxiing performance data resulting from the implementation of the taxiing procedure, the performance data comprising an amount of reduced fuel consumption of the aircraft as a function of the taxiing time;

displaying the taxiing directives and the taxiing performance data related to the taxiing procedure;

automatically controlling the propulsion means to operate in accordance with the implemented taxiing procedure; and

monitoring the parameters of the avionics systems of the aircraft during the implementation of the taxiing procedure.

8. A computer-aided method for reducing fuel consumption during the taxiing of an aircraft having an on-board computer processor, a display, and a plurality of onboard propulsion means, whereby the aircraft is able to move over an airport taxi zone according to at least one specific taxiing procedure, the procedure being restricted by taxiing conditions and defined taxiing directives for moving the aircraft by means of a reduced portion of the onboard propulsion means, the method comprising the following steps:

checking of the taxiing conditions for implementation of the taxiing procedure and calculation of the implementation parameters of the procedure, the parameters comprising taxiing time according to the specific taxiing procedure;

calculating taxiing performance data resulting from the implementation of the taxiing procedure, the performance data comprising an amount of reduced fuel consumption of the aircraft as a function of the taxiing time;

determining a minimum operating time of the onboard propulsion means before a takeoff procedure or after a landing procedure, wherein the minimum operation time is to provide a threshold in cost savings for reducing the aircraft's fuel consumption on the ground;

rendering on a display screen for a user the taxiing directives and the taxiing performance data related to the taxiing procedure;

monitoring the parameters of the avionics systems of the aircraft during the implementation of the taxiing procedure; and

rendering on a display screen for a user the minimum operating time, the taxiing directives and the taxiing performance data related to the taxiing procedure.

9. Method according to claim 1 , 7 , or 8 , whereby the aircraft is able to move over an airport taxi zone by a reduced portion of a propulsion means external to the aircraft.