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The Non Avionic CNS System Work Package addresses CNS technologies development and validation also considering their compatibility with the Military and General Aviation user needs. It identifies and defines the future mobile datalink systems to serve communication and surveillance services, the ground SWIM backbone system. It addresses the best combination of GNSS and non-GNSS Navigation technologies to support Performance Based Navigation and precision approach requirements. It proceeds to the enhancements of the ground Surveillance systems, the introduction of new Surveillance systems as well as the use of future Surveillance applications including ADS-B applications beyond Initial operational capabilities.

WP 15 will contribute to the ATM Master Plan achievement by delivering the components which incrementally increase performance, reliability/continuity, safety, security, and reduce cost through more efficient systems and also through the decommissioning of older technologies as required.

The objectives of WP15 are to:

  • Address subjects concerning Spectrum Management for using the spectrum in the most efficient manner and for promoting CNS spectrum allocation at ITU allowing the future CNS SESAR Concept enablers to operate properly as well as undertaking the appropriate actions to minimise the impact on aeronautical spectrum from non aeronautical systems;
  • Define the future Mobile communication system supporting the SESAR Concept, capable to provide to all the types of users the required functions and quality of service supporting Air/Ground and Air/Air services. Two complementary systems are considered: 1) satellite communication in close cooperation with and benefiting from a related activity at the European Space Agency and 2) aircraft communication system in the airport. This set of systems will constitute the mobile part of the SWIM backbone. Enhancement of the Ground/Ground communications PENS infrastructure will also be progressed;
  • Define from a sub-system perspective, the best combination of GNSS and non-GNSS Navigation technologies to support Performance Based Navigation and precision approach requirements in a roadmap perspective as well as to enable transition from current terminal and en route operations (with a mixture of B-RNAV, P-RNAV and conventional) to a total RNAV environment with no conventional reversion. In addition the refinement and validation of GNSS based precision approaches, in line with the evolution of the SESAR ATM capability levels will be performed based in a first step on GBAS Cat II/III GPS L1 and in a further step on GBAS Multi GNSS Cat II/III allowing rationalisation of the infrastructure and optimisation of the runway capacity under low visibility conditions;
  • Consider the decommissioning of conventional terrestrial navigation aids;
  • Proceed with enhancements to the ground Surveillance systems and introduction of new Surveillance systems (e.g. WAM). Considering these enhancements and new means, the surveillance infrastructure will be rationalised by considering decommissioning legacy technologies (e.g. SSR) thus decreasing operating costs while balancing the necessary non-cooperative requirements in TMA and for military purposes;
  • Decrease delays due to weather, prevent accidents, and help to improve long-term airport operation, relevant sensors matching airport category needs for detecting weather and weather related hazards as well as the integration of their complementary characteristics will be realised.

Contributors to this work package are:

WP15 is further organised into 15 projects:

SWP 15.0 Global Co-ordination & Management

SWP 15.1 Common CNS Studies
P 15.1.6 Spectrum Management & Impact Assessment

SWP 15.2 Communications
P 15.2.4 Future Mobile Data Link system definition
P 15.2.6 Future Mobile Satellite Communication
P 15.2.7 Airport Surface Datalink
P 15.2.8 Civil-Military Data Link Interoperability
P 15.2.10 Terrestrial communication infrastructure - SWIM backbone

SWP 15.3 Navigation
P 15.3.1 Navigation technologies specifications
P 15.3.2 Navigation Infrastructure Rationalisation
P 15.3.4 GNSS Baseline study
P 15.3.5 Enhanced SBAS - GNSS Evolution for Aeronautic Aspects
P 15.3.6 GBAS Cat II/III L1 Approach
P 15.3.7 Multi GNSS CAT II/III GBAS

SWP 15.4 Surveillance
P 15.4.1 Surveillance infrastructure rationalisation study
P 15.4.3 ACAS Monitoring
P 15.4.5a Surveillance ground system enhancements for ADS-B
P 15.4.5b Surveillance ground system enhancements for ADS-B (Prototype development)
P 15.4.9a Weather sensing technologies specifications
P 15.4.9b Weather infrastructure requirements Study
P 15.4.9c Ground Weather Monitoring system

Information to follow after the initiation phase.