Air Traffic Services is a foundation course for both the Aeronautical Information Services Certificate Program and the Aerodrome and Approach Control Diploma Program. This course sets the stage for most of the technical courses on both programs.

Air Traffic Services (ATS) is one of the Annexes to the ICAO Convention, Annex 11 and covers, inter alia, the Divisions and Sub-divisions of ATS, details of the provision of the services in each of these, the classification of Airspaces and details of the services provided in each classification.