ICAO/ADEXP and pre/post FPL 2012 Message Translator

The Flight ATM Systems Message Translator is able to perform the following translations:

  • Translate ATS ICAO format messages into ADEXP format;
  • Translate ATS ADEXP format messages into ICAO format;
  • Translate OLDI ICAO format messages into ADEXP format;
  • Translate OLDI ADEXP format messages into ICAO format;
  • Translate Pre-FPL 2012 version messages into Post-FPL 2012 format (irrespective if message format is OLDI or ADEXP);
  • Translate Post-FPL 2012 version messages into Pre-FPL 2012 format (irrespective if message format is OLDI or ADEXP);

Try out the demonstration software [here…].

For additional documentation on the translator go [here…].

The translator can be run as a network service or called directly as a linked library, For information on the translator API go [here…].

Translator Overview

The Flight ATM Systems Message Translator is able to parse both OLDI and AFTN messages that are exchanged on the AFTN and/or peer-to-peer OLDI links and translate these into a target message format. In the ATM environment, there are two message formats in common use:

  • ICAO – this format consists of messages with a fixed structure and number of fields separated with a hyphen. The structure and number of fields is fixed for a given message title. The ICAO format is defined in ICAO DOC 4444.
  • ADEXP – this format supports a message structure with variable numbers of fields and the placement of the fields is not important. The ADEXP format is defined in the EUROCONTROL ADEXP standards document.

There exist a number of different message types that can occur in either ICAO and/or ADEXP formats, namely:

  • ICAO ATS Messages – These represent a basic set of messages defined by ICAO to support the exchange of flight plan data around the world on the AFTN. The complete set of ATS messages consists of 16 messages in total.
  • CFMU IFPS ATS Messages – The CFMU expanded the ICAO message set in both the number of messages and their content.
  • CFMU ETFMS Messages – The CFMU added an entirely new set of messages that deal with slot allocation for aircraft departures to avoid traffic congestion.
  • CFMU CADF Messages – The CFMU CADF administer the opening and closing of airspace and send this data using a number of specialised ADEXP format messages to ATC units and AO’s.
  • OLDI Messages – These messages deal with inter-ATC unit flight plan coordination.

Try out the demonstration software [here…].

For additional documentation on the translator go [here…].

The translator can be run as a network service or called directly as a linked library, For information on the translator API go [here…].