This system monitors and controls the main functions of the equipment for air navigation aids (NDB, VOR, DME, NDB, ILS ...) and auxiliary systems. It also allows centralized management and configuration of remote systemsfrom other towers or approach control centers.Based on a PLC-composed architecture, together with remote stations and multiple types of communications (GSM, PSTN, ...),the fiber optic system allows monitoring and real time operation from the control points, of all the radio equipment and auxiliary systems, as well as the status of communications, control alarms and events, actions log, access control, etc.