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Operational applications enabled by ADS-B. Francis Casaux CARE/ASAS manager. Presentation overview. Genesis of ‘Package I’ Ground Surveillance (GS) applications Airborne Surveillance (AS) applications Future packages Related European projects and programmes Concluding remarks.

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Operational applications enabled by ADS-B

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Operational applications enabled by ads b

Operational applications enabled by ADS-B

Francis CasauxCARE/ASAS manager

Presentation overview

Presentation overview

  • Genesis of ‘Package I’

  • Ground Surveillance (GS) applications

  • Airborne Surveillance (AS) applications

  • Future packages

  • Related European projects and programmes

  • Concluding remarks

Background for package i

Background for ‘Package I’

  • Based on a proposal made at the ADS-B Symposium in Rome (12-14 March 2002)

  • Development coordinated with:

    • EUROCONTROL programmes

    • European Commission (EC)

    • EC funded projects (e.g. NUP II)

    • IATA/AEA initiative (JURG/JAFTI)

    • EUROCAE/WG51

Objectives of package i

Objectives of ‘Package I’

  • Focus on operational applications suited for core European high-density traffic areas without excluding other areas

  • Operational airborne and ground user needs for ADS-B are considered

  • Develop the operational and technical standards required for the early implementation of ADS-B applications

Step by step approach

Step-by-step approach

  • Wide range of operational applications associated with different issues (i.e. PO-ASAS categories)

  • Ground and airborne architectures need to evolve step-by-step

  • Ground and airborne evolutions need to be coordinated with time objectives

Rationale for package i 1 2

Rationale for ‘Package I’ (1/2)

  • Users’ need: Safety as well as flexibility & capacity benefits (e.g. IATA/AEA JURG/JAFTI)

  • Feasibility:

    • Pre-existing work from EUROCONTROL programmes and EC projects

    • Trials already performed in Europe and USA

  • Complexity: No change in current responsibility for separation provision

Rationale for package i 2 2

Rationale for ‘Package I’ (2/2)

  • Market: Opportunities to equip and retrofit existing equipment to fulfil the requirements

  • Time-scale: Implementation foreseen within 5-10 years

  • Building Package II on experience:

    • Airborne surveillance performance and use

    • Increase involvement of the flight deck in ATM



  • Title: ‘Description of a first package of GS/AS applications’

  • Version 2.2 - September 30, 2002 – 58 pages

  • Developed within the framework of Activity 5 of CARE/ASAS

  • Covering letter from the Joint Co-ordination Board signed by the European Commission and EUROCONTROL

Gs application rationale

GS application rationale

  • Pragmatism:

    • They make sense in an area with good ATC

    • They can be implemented more quickly

  • Simplicity:

    • GS applications require only ‘ADS-B out’

    • Aircraft do not need to be equipped with ‘ADS-B in’ or ASAS

Gs applications


ADS-B Receiver ground-station

ATCCentre or tower

GS applications

ADS-B out

Gs applications in package i

GS applications in ‘Package I’

As application rationale

AS application rationale

  • Pragmatism:

    • No significant change from current Rules of the Air (i.e. No delegation of separation responsibility)

    • AS applications, which can implemented more quickly, were selected

  • Simplicity:

    • Airborne Traffic Situational Awareness (ATSA) applications

    • Airborne Spacing (ASPA) applications

As applications


AS applications

ASAS Display

Aircraft CDTI

Atsa applications in package i

ATSA applications in ‘Package I’

Aspa applications in package i

ASPA applications in ‘Package I’

Package ii

‘Package II’

  • Enhanced GS/AS applications from ‘Package I’

    • E.g. ‘Package I’ applications that prove too complex

  • Airborne Separation applications (i.e. PO-ASAS category III applications)

  • Airborne Self-separation applications (i.e. PO-ASAS category IV applications) in low-density airspace

  • Applications already studied in the EC projects

  • Applications providing greater benefits to be gained - and proved!

Package iii

‘Package III’

  • Enhanced GS/AS applications from ‘Package II’

  • Airborne Self-separation applications (i.e. PO-ASAS category IV applications) in medium/high-density airspace

Other considerations

Other Considerations

  • Development and implementation of ‘Package I’ is the first step.

  • ‘Package I’ will lay the ground work for further development and applications

  • Further progress requires difficult issues to be resolved:

    • transfer of separation responsibility

    • new separation standards and spacing standards

    • more demanding system performance requirements

Ec on going projects

EC on-going projects

  • NUP II: North European ADS-B Network Update Programme

  • MFF: Mediterranean Free Flight

  • MA-AFAS: More Autonomous Aircraft in Future ATM System

  • EVP: European Validation Platform

  • Gate-to-Gate

Other european activities

Other European Activities

  • EUROCONTROL – AGC & ADS programmes

    • Concept of operation

    • Service descriptions

  • EUROCONTROL Experimental Centre

    • Co Space project


  • NLR

  • CENA

  • Glasgow University, Delft University, ….

Gs application mapping

GS application mapping

As application mapping

AS application mapping

Ec future projects

EC future projects

  • C-ATM: Co-operative Air Traffic Management – Phase 1

  • SEAP: Large Scale South European ADS pre-implementation Programme

  • AAA: Advanced Airborne System Applications

Concluding remarks 1 2

Concluding remarks (1/2)

  • Change of Paradigm: The idea of transferring separation responsibility to the aircraft is controversial

  • GS applications require no change in paradigm

  • AS applications are more novel but ‘Package I’ deliberately avoids this issue

  • ADS-B & ASAS should be seen as evolutionary opportunities, not radical change, and controllers are still essential

Concluding remarks 2 2

Concluding remarks (2/2)

  • ‘Package I’ is a pragmatic approach leading to early implementation

  • The approach is flexible for States, ATS providers and airspace users

  • Most of the energies should be directed for Package I

  • R&D work for future packages is also essential

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