Predicting design-induced error in the cockpit

Neville A. Stanton · Don Harris · Paul M. Salmon · Jason Demagalski · Andrew J. Marshall · Thomas Waldmann +2 more

15 citations0/0 files storedePrints Soton (University of Southampton)

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Risk and Safety Analysis Human-Automation Interaction and Safety Ergonomics and Human Factors

Abstract

This paper describes the Human Error Identification (HEI) Technique called the Human Error Template (HET). HET has been developed specifically for the aerospace industry in response to Certification Specification (CS) 25.1302. In particular, it is intended as an aid for the early identification of design-induced errors, and as a formal method to demonstrate the inclusion of human factors issues in the design and certification process of aircraft flight-decks, including supplemental type certification. The template-based approach was chosen because it appeared to be quick to learn and easy to use. HET uses a hierarchical task analysis as its starting point. A checklist of twelve (12) external error modes is used to determine which might lead to credible errors for each task step. For each credible error a description is given and the outcome described. If the likelihood of the error and the consequences are both high then that task step is rated as a 'Fail'. The error mode taxonomy developed comprises: fail to execute a task, task execution incomplete, in the wrong direction, wrong task executed, task repeated, on the wrong interface element, too early, too late, too much, too little, misread information, and other. HET was then compared to SHERPA, HAZOP and HEIST. Thirty seven (37) analysts were employed in this study based on a landing scenario. HET showed significantly better Sensitivity Index scores than any of the other methods, and the greatest number of correct error predictions (hits). The results from the HET validation study demonstrate that HET meets all the criteria set. It is easy to learn, the error taxonomy has been specifically designed for flight-deck tasks, it is auditable, and it has been proved to be both reliable and valid. HET is recommended for use in the design, evaluation and certification of aircraft flight-decks.

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2017A Guide to Practical Human Reliability Assessment 1986SHERPA: A systematic human error reduction and prediction approach 1998Human error identification techniques for risk assessment of high risk systems—Part 1: review and evaluation of techniques 1992Human error identification in human reliability assessment. Part 1: Overview of approaches 1998Learning to predict human error: issues of acceptability, reliability and validity 1992Human error identification in human reliability assessment. Part 2: Detailed comparison of techniques 1986Hazop and Hazan. Notes on the Identification and Assessment of Hazards.1995Twenty-five years of HAZOPs

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