Provides basic messaging support for FIXM, including message types and timestamps as well as the ability to batch multiple flight messages together into a single aggregate message. It also provides extension hooks for users who wish to add their own custom messaging fields.

	Version	Core Version	Release Date	Release Package	User Manual
Current Version	1.0.0	4.2.0	28-Feb-2020	Download	FIXM User Manual 4.2.0
Previous Versions       None

Provides all the fields needed to support FF-ICE message transactions. Also includes a set of 13 templates to provide detailed, XSD-based guidance for constructing individual FF-ICE messages.

	Version	Core Version	Release Date	Release Package	User Manual
Current Version	1.0.0	4.2.0	28-Feb-2020	Download	FIXM User Manual 4.2.0
Previous Versions       None

An operational extension to FIXM that provides elements to support numerous systems that exchange data in support of air traffic within the National Airspace System (NAS).

	Version	Core Version	Release Date	Release Package	Core User Manual
Current Version	4.2.1	4.1.0	2-Dec-2018	Download	FIXM Implementation Guidance 4.1.0
Previous Versions
	4.2.0	4.1.0	15-Dec-2017	Download	FIXM Implementation Guidance 4.1.0
	4.1.1	4.0.0	9-Jun-2017	Download	N/A
	4.1.0	4.0.0	31-Mar-2017	Download	N/A
	4.0.0	4.0.0	31-Aug-2016	Download	N/A
	3.2	3.0.1	1-Feb-2016	Download	N/A
	3.1	3.0.1	11-Feb-2015	Download	N/A
	3.0	3.0.0	1-Aug-2014	Download	N/A
	2.0	2.0.0	1-Aug-2013	Download	N/A

FIXM Extension containing data attributes to support Air Traffic Flow Management operations in accordance with Distributed Multi-Nodal Air Traffic Flow Management Network concept and Airport-Collaborative Decision Making operations in Asia/Pacific region.

	Version	Core Version	Release Date	Release Package	Core User Manual
Current Version	1.00	4.1.0	11-Jul-2019	Download	FIXM Implementation Guidance 4.1.0
Previous Versions       None

This verified extension provides support for the ICAO ATS CHG Message.

	Version	Core Version	Release Date	Release Package	Core User Manual
Current Version	1.0.0	4.1.0	15-Dec-2017	Download	FIXM Implementation Guidance 4.1.0
Previous Versions       None

A research extension to FIXM v3.0.1 developed by the European ATM research programme SESAR in order to capture the specific pieces of information required by the SESAR Extended FPL.
Not for operational use - Not supported

	Version	Core Version	Release Date	Release Package	Core User Manual
Current Version	1.0.0 Beta†	3.0.1	May-2016	Download	N/A
Previous Versions       None
† Not for operational use- Not supported.

A research extension to FIXM v2.0.0 covering some A-CDM elements from the A-CDM Implementation Manual written by EUROCONTROL, ACI and IATA and supporting the concept of Airport Transit View elaborated within the SESAR programme.
Not for operational use - Not supported

	Version	Core Version	Release Date	Release Package	Core User Manual
Current Version	1.0†	2.0.0	Aug-2014	Download	N/A
Previous Versions       None
† Not for operational use- Not supported.