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Datalink services for pilot-to-controller communication


SITA’s ATS AIRCOM Pre-FANS is suitable for all air navigation service providers (ANSPs), as well as other organizations responsible for air traffic control at airports worldwide, who provide pre-FANS services. Pre-FANS services include Digital-automatic terminal information service (D-ATIS), departure clearance (DCL), pre-departure clearance (PDC) and oceanic clearance (OCL) applications.

SITA has been providing the pre-FANS service since the 1990s, and we have extensive experience through our ATS AIRCOM system solutions development. SITA has many pre-FANS customers worldwide, and we have been involved in developing the pre-FANS standards.

ATS AIRCOM Pre-FANs Use cases
pdf - 162 kb


airlines supported by SITA's AIRCOM datalink

How it works

SITA’s ATS AIRCOM Pre-FANS services enable air navigation service providers (ANSPs) who deliver Pre-FANS service(s) to communicate with participating aircraft.

Key features

  • Access to aircraft using SITA's AIRCOM Aircraft Communications Addressing and Reporting System (ACARS) datalink service
  • ATS Internet, working with other communications service providers to allow access to aircraft using a non-SITA ACARS datalink service

Managed service

  • AIRCOM operations service desk that provides 24/7/365 support and monitoring
  • AIRCOM specialist technical support
  • Service advisories
  • Monthly traffic and performance reporting


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Your benefits

ATS AIRCOM Pre-FANS assists in overcoming issues associated with voice operations and procedures, such as controller-pilot misunderstandings.

The use of datalink contributes to maintaining and enhancing air navigation services safety and efficiency during all flight phases.

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.

ATS AIRCOM Pre-FANs Use cases
pdf - 162 kb


airlines supported by SITA's AIRCOM datalink


Air Traffic Management

SITA's Air Traffic Management (ATM) helps guide aircraft in the skies and on the ground.
View the video

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.

Product finder

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This product is part of the following solutions:


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

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