Strengthening air traffic safety management by moving from outcome-based towards risk-based evaluation of runway incursions

Sybert H. Stroeve, Pradip Som, Bas A. van Doorn and (Bert) Bakker, G.J.

Reliability Engineering and System Safety, 2016, vol. 147, issue C, 93-108

Abstract: Current safety management of aerodrome operations uses judgements of severity categories to evaluate runway incursions. Incident data show a small minority of severe incursions and a large majority of less severe incursions. We show that these severity judgements are mainly based upon the outcomes of runway incursions, in particular on the closest distances attained. As such, the severity-based evaluation leads to coincidental safety management feedback, wherein causes and risk implications of runway incursions are not well considered. In this paper we present a new framework for the evaluation of runway incursions, which effectively uses all runway incursions, which judges same types of causes similarly, and which structures causes and risk implications. The framework is based on risks of scenarios associated with the initiation of runway incursions. As a basis an inventory of scenarios is provided, which can represent almost all runway incursions involving a conflict with an aircraft. A main step in the framework is the assessment of the conditional probability of a collision given a runway incursion scenario. This can be effectively achieved for large sets of scenarios by agent-based dynamic risk modelling. The results provide detailed feedback on risks of runway incursion scenarios, thus enabling effective safety management.

Keywords: Safety management; Agent-based dynamic risk modelling; Runway incursion; Severity; Air traffic control; Accident risk (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:147:y:2016:i:c:p:93-108

DOI: 10.1016/j.ress.2015.11.003

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