A pivotal feature integrated into both systems is the installation of Multilateration (MLAT) technology – specifically the Thales’ MAGS – an innovative technology which very accurately locate the aircraft by using a method known as Time Difference of Arrival (TDOA). Multilateration employs ground stations, placed in strategic locations around an airport. This technology implementation at Astana Airport was the second in Kazakhstan – the first being in Almaty and also deployed by Thales.

This surveillance system empowers air traffic controllers with an additional sensor solution for comprehensive ground and air traffic surveillance. Particularly effective in monitoring arrival and departure traffic or overseeing areas where conventional radars face limitations or impracticality, MAGS has been very reliable. These systems have been deployed seamlessly despite stringent local climate constraints in order to never interrupt airport operations.

The Advanced Surface Movement Guidance & Control System deployed in Almaty and Astana airports emphasizes reliability and elevates safety standards. The incorporation of the –“Airport Safety Nets” module within the TopSky – Tower system plays a key role in safeguarding runways and designated areas. The module acts as a vigilant guardian, alerting controllers promptly in cases of potential conflicts between vehicles – be it aircraft or other types of vehicles – on runways and the unauthorized incursion of vehicles into restricted areas.

“We are pleased to contribute to improving surveillance and air traffic operations in the airports of Astana and Almaty with our integrated system that combines TopSky-Tower, MLAT and the use of SMR radar data. The coordination of different partners, the use of the best performing equipment and the customization of the solution to specific customer needs have been some of the challenges of the project, which has been achieved thanks to the collaboration and alignment of all parties involved” Christian Rivierre, VP Airspace Mobility Solutions – Thales

Summary:

• After having recently performed the commissioning of the Advanced Surface Movement Guidance & Control System (A-SMGCS) in the Astana airport, Thales has now implemented two new solutions – TopSky-Tower and MAGS (Multilateration and ADS-B Ground Surveillance System) – in Astana and Almaty airports.
• These two projects are the first ones where a multilateration system was deployed and commissioned in Kazakhstan, allowing the airport air traffic controllers to have an additional sensor system that can be used for both ground (aerodrome) and air traffic surveillance.
• The solution built in collaboration with local patterns and authorities is tailored to the needs and specificities of Kazakhstan’s Air Navigation Service Providers (ANSP).

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• Source: https://onboard.thalesgroup.com/thales-modernises-air-traffic-management-at-kazakhstans-astana-and-almaty-airports/