Denmark’s Air Navigation Service Provider (ANSP), Naviair, has selected the PRISMA backup solution from Frequentis Comsoft to replace its existing Clear-The-Sky (CTC) backup Air Traffic Management (ATM) system.

Naviair services the København Flight Information Region (FIR) for all major airports in Denmark, as well as the lower airspace of Greenland and the Faroe Islands. With the main ATM system in use in Denmark regularly requiring updates which sometimes can last for longer periods, a backup ATM system is essential to sustain a continuous traffic capacity of the served airspaces.

The new backup for Area Control Centre and Approach/ Tower units is capable of providing continuous traffic handling, for unlimited time periods. The project will form part of an expansion of the Remote Digital Tower (RDT) contract between Frequentis DFS Aerosense and Naviair. This expansion will build on the PRISMA APP solution integrated in the RDT system currently being implemented for Billund Approach and Tower. It will include PRISMA Enroute for Naviair’s Area Control Centre (ACC) and APP for approach/ tower units in Copenhagen, Billund and Roskilde airports.

“We require a reliable and up-to-date backup ATM system in order to ensure continuous, safety-critical air navigation services,” said Morten Søndergaard, CTO, Naviair, explaining that the need to replace Naviair’s current backup ATM system has been in the pipeline for some time.

Frequentis DFS Aerosense’ integrated digital tower and approach solution was originally selected by Naviair in 2020 to manage increasing airspace demand and support the workload of Air Traffic Control Operators (ATCOs). The initial remote tower centre at Billund Airport will house the system, which is a combination of a RDT and an approach automation solution (PRISMA APP).

“After we had learnt about PRISMA APP in the RDT project we realised the system could provide resiliency in the extreme rare case that our main ATM system suddenly becomes unavailable, but also during planned ATM system maintenance or for AIRAC (Aeronautical Information Regulation and Control) updates. We are looking forward to adding another PRISMA installation to our RDT project with Frequentis DFS Aerosense,” Søndergaard added.

Added value is offered by an open ATM platform, which enables the customer to integrate additional services and and applications either from the Frequentis group or from third-party providers.

The project will be rolled out under the AGILE delivery model and will span over two years.

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