ATC Messaging Service | SITA



Following the International Civil Aviation Organization (ICAO) standards and its recommendation to overcome the limitations of the Aeronautical Fixed Telecommunication Network (AFTN) and expand beyond for rich data exchange, the ANSPs are moving to the air traffic services (ATS) Messaging Handling System (AMHS).

ATC Messaging Service gateway simplifies and reduces the cost of supporting specific ATC related connections and platforms to adapt to the required ANSP environment. ATC Messaging Service makes all necessary conversions to deliver to either AFTN or AMHS. By using a single connection to ATC Messaging Service, customers can reach the global ANSP’s community.

ATC Messaging Service Use cases
- 178 kb

Over 2,400 organizations have chosen SITA’s Community Messaging to coordinate and simplify their messaging.

How it helps

Most customers exchange messages with more than one ANSP and that may require individual AFTN or AMHS connections. SITA’s ATC Messaging Service significantly simplifies the process by removing the complexity and cost of connecting and adapting to several ANSPs.

SITA’s service makes all the necessary conversions and globally adapts to the required ANSP environment. This enables seamless communication with air traffic control (ATC) organizations throughout the flight operations process.  Customers can continue communicating with ANSPs using Type B, SITATEX and Type X, whether they are using AFTN or AMHS.


ATC Messaging Service includes the following features:

  • Community Messaging “connect once, reach all” model
  • Easy access from Type B, SITATEX and Type X, over an IP-based network service
  • Message conversion between various standards to enable seamless information exchange
  • Protocol adaption to promote inter-operability between airlines and ATC organizations
  • Simple and attractive pricing structure

SITA Global Services

This product is supported by SITA Global Services (SGS) which provides global business continuity through a flexible service model. Our monitoring service ensures IT systems are reliable and available, around the clock and around the world.

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

Your benefits

ATC Messaging Service provides the following benefits.

  • Globally supports both current and future XML data exchange
  • Service adapts to the end points
  • Enables global communication with the ANSP community
  • Enhances security and control of message exchanges
  • Requires  limited upfront investment
ATC Messaging Service Use cases
- 178 kb

Over 2,400 organizations have chosen SITA’s Community Messaging to coordinate and simplify their messaging.

  • Airlines, airports and ground handlers need to exchange messages with air navigation service providers (ANSPs) for day-to- day flight operations. ATC Messaging Service enables them to significantly simplify exchanges with a large community of ANSPs, whether they use the Aeronautical Fixed Telecommunication Network (AFTN) or ATS Messaging Handling System (AMHS).

    Download the use case

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This product is part of the following solutions:

Community Messaging

The backbone of collaboration

Community Messaging for Airline Commercial Operations

High-volume message exchange system

Community Messaging for Airport Operations

Quick and secure access to data

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