Norwegian Air Traffic Control System
NATCON (Norwegian Air Traffic Control System) is a nationwide Air Traffic Management system which is used by air traffic controllers in control towers (TWR), approach centres (APP) and area control centres (ACC) in Norway. The system is based on Auto Trac Air Traffic Management System from Raytheon (US) which also includes a flight data processing system originally developed by Indra (Spain).
Source: Wikipedia — Norwegian Air Traffic Control System (CC BY-SA 4.0)