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Article Information:
Title:
Human hazard analysis: A prototype method for human hazard analysis developed for the large commercial aircraft industry
Author(s):
Philip Lawrence, Simon Gill
Journal:
Disaster Prevention and Management
Year:
2007
Volume:
Issue:
Page:
718 - 739
ISSN:
0965-3562
DOI:
10.1108/09653560710837028
Publisher:
Emerald Group Publishing Limited
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Abstract:
Purpose – This paper sets out to outline a human hazard analysis methodology as a tool for managing human error in aircraft maintenance, operations and production. The methodology developed has been used in a slightly modified form on Airbus aircraft programmes. This paper aims to outline a method for managing human error in the field of aircraft design, maintenance and operations. Undertaking the research was motivated by the fact that aviation incidents and accidents still show a high percentage of human-factors events as key causal factors.
Design/methodology/approach – The methodology adopted takes traditional aspects of the aircraft design system safety process, particularly fault tree analysis, and couples them with a structured tabular notation called a human error modes and effects analysis (HEMEA). HEMEA provides data, obtained from domain knowledge, in-service experience and known error modes, about likely human-factors events that could cause critical failure modes identified in the fault tree analysis. In essence the fault tree identifies the failure modes, while the HEMEA shows what kind of human-factors events could trigger the relevant failure.
Findings – The authors found that the methodology works very effectively, but that it is very dependent on locating the relevant expert judgement and domain knowledge..
Research limitations/implications – The authors found that the methodology works very effectively, but that it is very dependent on locating the relevant expert judgement and domain knowledge. Using the method as a prototype, looking at aspects of a large aircraft fuel system, was very time-consuming and the industry partner was concerned about the resource implications of implementing this process. Regarding future work, the researchers would like to explore how a knowledge management exercise might capture some of the domain knowledge to reduce the requirement for discursive, seminar-type sessions with domain experts.
Practical implications – It was very clear that the sponsors and research partners in the aircraft industry were keen to use this method as part of the safety process. Airbus has used a modified form of the process on at least two programmes.
Originality/value – The authors are aware that the UK MOD uses fault tree analysis that includes human-factors events. However, the researchers believe that the creation of the human error modes effects analysis is original. On the civil side of the aviation business this is the first time that human error issues have been included for systems other than the flightdeck. The research was clearly of major value to the UK Civil Aviation Authority and Airbus, who were the original sponsors.
Keywords:
Air safety, Aircraft, Quality control
Article Type:
Research paper