AIRCOM® ATN Services

Real-time ATN data exchange for improved efficiency and safety


SITA’s AIRCOM® Aeronautical Telecommunications Network (ATN) Services provides real-time data exchange between flight crews and ATN ground centers. These exchanges comply with the ICAO standard on controller pilot data-link communications (CPDLC) across interconnected air-to-ground radio and terrestrial networks.

AIRCOM® ATN Services is industry-compliant and designed for wide-scale industry use. It is currently used by avionics vendors, most of the European air navigation service providers and aircraft manufacturers including Boeing and Airbus.

AIRCOM® ATN Services Use cases
- 291 kb

11% capacity increase with ATN/CPDLC implementation in Europe

How it works

AIRCOM ATN Services provides easy access to the ATN backbone for partners and customers via IP.

It includes a ground-based infrastructure of radio stations (VDLm2) that are fully compliant with EUROCONTROL Link 2000+.

Its air-to-ground ATN routing supports exchange of controller pilot data-link communications messages between equipped aircraft and ground-based air traffic control (ATC) centers.

AIRCOM® ATN Services

AIRCOM® ATN Services click here to enlarge

Your benefits

SITA’s AIRCOM® ATN Services improves operational efficiency and safety by providing real-time data exchange between flight crew and systems. It is a valuable means of reducing costs.

AIRCOM ATN Services complies with industry standards defined by ICAO and European Single Sky and  it is a necessary part of air-ground communication infrastructure needed for the future air navigation system (FANS).

AIRCOM ATN Services uses industry-standard aircraft communications addressing and reporting system(ACARS) data-link, giving access to thousands of ACARS avionic-equipped aircraft.

It provides easy access to SITA’s ATN backbone across Europe.

SITA Global Services

This product is supported by a dedicated multilingual operations team which provides monitoring and support 24/7/365 from command centers in Montreal and Singapore, ensuring global business continuity through a flexible service model. Our monitoring service ensures your IT systems are reliable and available, around the clock, around the world.

Our experts proactively monitor your infrastructure, identifying and resolving problems often before they impact your services.

AIRCOM® ATN Services Use cases
- 291 kb

11% capacity increase with ATN/CPDLC implementation in Europe

  • European Air Navigation Service Providers have to deploy an ATN/VDLm2 network to comply with the EC regulation 2009/29. The VHF Data Link Partnership approach, as proposed by SITA, is a win-win implementation model.

    Read the use case

Air Traffic Management 2015 highlights

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The key global and regional projects underway in air traffic management (ATM).
Technical specifications

ATS Datalink descriptions and locations

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Check out where we support air traffic services via datalink globally.

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Easy-to-use datalink applications en-route and at the airport

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