ARIBA - Air Traffic Management System Safety Criticality Raises Issues in Balancing Actors Responsibilities
Overview
Background & policy context:
Presently all ATM responsibilities end up with the last human element in the responsibility chain, i.e. the controllers. This is one of the strongest and also an understandable reason for the reluctance of controllers to accept a new system, in particular when he/she no longer depends only on his/her own judgement or on the proof of what happened (e.g. via legal recording). This actually reduces their controllability of various non-nominally evolving traffic situations, while their responsibility increases with traffic. This development leads to a paradox for the controllers.
Objectives:
The main objectives of the ARIBA project are to assess certification issues for ground ATM systems and operational procedures and to produce templates, which could benefit the present ongoing and planned certification activities in Europe. The focus will be on space-based navigation and surveillance, advanced ATC automation support tools and flight-plan exchange through air ground data exchange.
Methodology:
The project will involve:
- Identifying a cost-effective methodology for ATM safety validation throughout all life-cycles, through a comparison of the results from earlier ATM validation studies sponsored by DGVII (e.g. VAPORETO, MUFTIS, SECAM, ASIVAL, GENOVA, RHEA) and those from other domains (e.g. nuclear, finance, ground transportation and aeronautics).
- Evaluating the applicability of state-of-the-art ATM safety assessment methodologies, which are supported by facilities like TOPAZ (Traffic Organisation and Perturbation AnalyZer) and SAM (Safety Argument Manager).
- Developing a harmonisation approach towards system safety criticality related responsibility issues including a practically effective framework for operational introduction of ATM enhancements and with recommendations for the implementation and further development of this framework and in relation with existing practices and ideas.
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