The Flight Information Exchange Model (FIXM) is a global exchange standard capturing flight and flow information
FIXM Applications
Contain metadata about the message exchange in addition to guidance for constructing messages, such as XML templates.
Sits as a layer above Core.
FIXM Core
Contains basic flight data that are globally applicable and which are endorsed by the FIXM CCB.
FIXM Extensions
Support localized requirements from particular communities of interest.
Extends basic flight data and/or applications.