Technicien supérieur des études et de l'exploitation de l'aviation civile
1964 : scission of the corps: the corps of the TNA remains, despite the departure of air traffic controllers and electricians, respectively to the new corps of "Officiers Contrôleurs de la Circulation Aérienne" (OCCA) - became air traffic controller after that - dans those of electricians - became Air Traffic Safety Electronics Personnel.