Air Traffic Control (ATC) Tower of Yerevan "Zvartnots" Airport has been operational since 2008. There are two control working positions here: Tower and Ground, which provide aerodrome control service for aircraft, as well as for general aviation aircraft during departures, arrivals and taxiing. The control working positions are equipped with all the necessary radio technical equipment in compliance with the current ATC requirements. These are the "Galaxy" ATM automated system ("Azimuth", Russian Federation) for surveillance and flight plan data receiving, processing and displaying and the "Megaphone" communication system ("NITA", Russian Federation). Aerodrome control position receives surveillance data from three independent sources: P3D multilateral system ("ERA", Czech Republic), "TRLK-11" En-route and Mode_S MSSR "Aurora 2" (Russian Federation) . In addition to the above, Tower is also replenished with AMHS (ATS Message Handling System) and AFTN (Aeronautical Fixed Telecommunication Automated Network) ("Monitor Soft", Russian Federation), remote control equipment of "IDMAN" lighting system and aerodrome technological communication. Tower VHF communication is provided by VHF radio stations of "Park Air Systems" company (United Kingdom). Tower is furnished with all operational conditions, as well as all back-up means necessary for the provision of uninterrupted operation.