Method for assembling a central aircraft fuselage section on a trolley

A method for assembling a central aircraft fuselage section, the section comprising a longitudinal master wall for fixing of two wing boxes of the aircraft, the method comprising:

• supplying a trolley that can move around on ground, the trolley comprising a supporting structure, and positioning the trolley in an assembly station;
• providing the assembly station with the master wall, installing and mechanically immobilizing the master wall in a reference position on the supporting structure of the trolley;
• providing the assembly station with a transverse wall, installing and mechanically immobilizing the transverse wall in a reference position with respect to the trolley, in which the transverse wall is situated with respect to the master wall in position to be secured with the master wall;
• fixing the transverse wall to the master wall;
• and
• moving the trolley to another assembly station.