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The Flight Information Exchange Model (FIXM) is a global exchange standard capturing Flight and Flow information. FIXM is implemented in UML and XML and fully supports the data exchange requirements for the Flight and Flow Information for a Collaborative Environment (FF-ICE) concept, as defined by the ICAO1 ATMRPP2.

FIXM Applications
FIXM Extensions
Message Support

Contains metadata about the message exchange in addition to guidance for constructing messages, such as XML templates.

Sits as a layer above Core.
Basic Flight Data

Contains basic flight data that are globally applicable and which are endorsed by the FIXM CCB.
Regional Supplements

Supports localized requirements from particular communities of interest.

Extends basic flight data and/or applications.
Getting Started
1. Download the latest version of FIXM Core with the FF-ICE Application package here.
2. Explore available regional Extensions to FIXM Core and Applications here.
3. Check the Frequently Asked Questions page for more information.
4. Still have questions? Contact us.
SAVE THE DATES - FIXM Virtual Workshop on 7 to 10 December 2020
The 2020 FIXM Virtual Workshop will take place over 4 sessions between 7th to 10th December 2020 via Zoom hosted by FIXM CCB.
Register for Workshop 
This FIXM virtual workshop will provide the community a platform to exchange experiences implementing FIXM model and for technical discussion around the new FIXM Core v4.2 and various FIXM Extensions. Registration for the workshop is available by accessing the button above, or this link. You will receive a confirmation of your registration. An information package with further details on the logistics is available on the FIXM Work Area. Agenda and presentations will also be posted in the same area once they are available.
Additional questions can be directed to FIXM CCB at
Call For Presenters
FIXM CCB seeks to provide information on FIXM standard, the model (Core, Application, or Extension), modeling practice, and relevant implementation experience over the 4 sessions of FIXM Virtual Workshop. Taking place 7 to 10 December 2020 online, the FIXM Virtual Workshop brings together the FIXM community and experts and offer a forum to exchange knowledge, experience, and insight into implementation of FIXM.
Calling all FIXM implementer and subject matter experts. This is your opportunity to share your experience and expertise with our FIXM practitioners looking to for the implementation idea, best practices, and lessons learned to help them is successfully implement their FIXM. Proposal is solicited for 20 – 30 minutes presentation. The presentation timeframe will include presentation material and question/answer session. If you have FIXM experience to share, the FIXM CCB encourages you to submit your presentation proposal today!
Submitting proposal and presentation:

   • Proposal should be submitted no later than 9th October 2020
   • Full Presentations should be submitted no later than 15th November 2020
   • Both can be submitted to

Additional questions can be directed to FIXM CCB also at
Recent Updates

February 28, 2020

  FIXM Core v4.2.0 is now available for download.  

February 28, 2020

  FIXM Basic Message v1.0.0 is now available for download.  

February 28, 2020

  FIXM FF-ICE Message v1.0.0 is now available for download.  

February 28, 2020

  FIXM Implementation Guidance for Core v4.2.0 release is under development on the FIXM Work Area.    

July 11, 2019

  The FIXM APAC Flow Extension v1.00 release was published.  

December 2, 2018

  The FIXM US Extension v4.2.1 was released.  
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