Delivering ATM related training requires not just a textbook knowledge of these topics but also a real world understanding of operating within the environment.

AVISU has experience in delivering operationally focussed courses in such areas as ATM technology and future concepts, regulation and safety to businesses of all sizes and position in the chain of the aviation industry.

Due to our combined operational expert knowledge and experience in course delivery our training courses are designed to target areas of competence that are expected from the customer but also allow for discussion on topics that the participants feel are vital for their business needs.

We have courses to cover:

  • ICAO
    • Chicago Convention
    • All ICAO Annexes
    • ICAO Procedures for Air Navigation services and Manuals such as:
      • PANS ATM doc 4444
      • A-SMGCS Documents 9476 and 9830
      • Safety Management doc 9859
      • ADS-B Operations Manual
  • European Aviation safety Authority (EASA) Regulations
    • 1035/2011, 482/2008, 373-2017, 552-2004, 1207-2011, 376-2014, 996-2010
  • Mode S and ADS-B
    • Eurocontrol and Eurocae (including RTCA) standards and specifications
  • A-SMGCS (including ASDE-X)
    • Eurocontrol and Eurocae standards and specifications


During the late 1990’s and into the early years of the 2000’s joint teams from Europe and the USA as well as other contributing States developed a first set of ADS-B packages separated into ground and airborne surveillance applications enabled by ADS-B and collectively called “Package I”. These packages were then worked on by a joint team of global operational and technical experts lead by the RTCA and Eurocae.

AVISU has been a core member since 2004 supporting the publication of numerous ADS-B, WAM and Mode S specifications and guidance material in both the European and North American Regions.

AVISU is able to provide training and technical/operational support on all related 1090Mhz applications including Mode S enhanced Aircraft derived data (ADD), ADS-B and WAM specifications such as the following:

AVISU has provided support to the development of many surveillance standards such as those listed below We can provide training to your staff on these any many more specifications and guidance documents on ATM surveillance.


  • ADS-B Out for use in Non-Radar Airspace (ADS-B NRA, ED-126 / DO-303);
  • ADS-B Out for use in Radar Airspace (ADS-B RAD, ED-161 / D0-318);
  • ADS-B Out for Airport Surface Surveillance (ADS-B APT, ED-163 / DO-321);


  • In-Trail Procedure in oceanic airspace (ITP, ED-159 / DO-312);
  • Visual Separation on Approach (VSA, ED-160 / DO-314);
  • Enhanced Traffic Situation Awareness during Flight Operations (AIRB, ED-164 / DO-319);
  • Enhanced Traffic Situation Awareness on the Airport Surface (SURF, ED-165 / DO-322);
  • Traffic Situation Awareness with Alerts (TSAA, ED-232 / DO-348);
  • CDTI Assisted Visual Separation (CAVS, ED-233 / DO-354);
  • Flight Deck Interval Management (FIM, ED-195A / DO-328A);
  • Aircraft Surveillance Applications (ASA) System MOPS including several ADS-B In applications (ED-194A / DO-317A);
  • Flight-deck Interval Management (FIM) MOPS (ED-236 / DO-361).


  • Technical specifications for a Wide Area Multilateration (WAM) surveillance system (ED-142 with ED-142A due for publication in 2019).

Advanced Surface Movement Guidance and Control (A-SMGCS) including ASDE-X

Since 1974 ICAO has been developing Airport Surface Surveillance requirements. In 1979 ICAO published its first circular 148 on Surface Movement Guidance and ControlSystems (SMGCS). In 1990 A-SMGCS was launched involving ICAO, Eurocontrol, FAA and various standards bodies which looked to enhance the SMGCS requirements to support Air Traffic Control use in all weather conditions. This included various ‘Levels’ as defined by both ICAO and Eurocontrol. In 2018 the Eurocontrol Levels have been replaced by a more functional approach to the requirements.

AVISU has been key members of the global team working on A-SMGCS since 2002. We are still working with experts and industry worldwide in developing new requirements on such areas as Routing and Guidance (also known as Follow The Greens).

Examples of A-SMGCS Specifications we are able to provide training and operational support on include:

  • ICAO Doc 9830 and 9476
  • Eurocontrol A-SMGCS specifications (Old Levels and 2018 functional specficiation) including “follow the greens (routing and guidance)”

The following illustrates the way new way the Eurocontrol has organised the A-SMGCS concept in terms of integrated functions without the previous set levels.

The following illustrates the way ICAO has organised the A-SMGCS concept into 4 Levels- each one providing a little more functionality than the previous one.

Bridgepark, Beauly
Inverness-Shire, IV4 7AN
United Kingdom

Telephone: +44 146 387 2892


At AVISU we are constantly looking for both employees and associated partners to support the ever increasing demands on our expertise. We require people that are self motivated and operationally experienced and the willingness to travel worldwide and occasionally work for extended periods overseas.