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  • Why we need new accident models

    Author(s)
    W.A. Dekker, Sidney
    Griffith University Author(s)
    Dekker, Sidney
    Year published
    2005
    Metadata
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    Abstract
    The models we currently use to understand aerospace safety and accidents are based on a structuralist vocabulary, with mechanistic metaphors that describe the internal workings or failings of operators and their surrounding organizations. Such a view may be increasingly at odds with interpretative demands posed by recent accidents in otherwise very safe systems. Particularly the drift into failure, which represents a large category of residual risk in aerospace, is hard to model (and thereby understand and predict) with structuralist approaches. Drifting into failure is not so much about breakdowns or malfunctioning of ...
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    The models we currently use to understand aerospace safety and accidents are based on a structuralist vocabulary, with mechanistic metaphors that describe the internal workings or failings of operators and their surrounding organizations. Such a view may be increasingly at odds with interpretative demands posed by recent accidents in otherwise very safe systems. Particularly the drift into failure, which represents a large category of residual risk in aerospace, is hard to model (and thereby understand and predict) with structuralist approaches. Drifting into failure is not so much about breakdowns or malfunctioning of components, but about an organization not adapting effectively to the complexity of its structure and environment. This requires aerospace to adopt a true systems approach, which sees sociotechnical complexity not as constituted of parts and their interactions, but as a web of dynamic, evolving relationships and transactions. This can lead to models that can make processes of drift come alive, and help point to more productive countermeasures.
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    Book Title
    Contemporary issues in human factors and aviation safety
    Publisher URI
    http://www.ashgate.com
    Subject
    Decision Making
    Publication URI
    http://hdl.handle.net/10072/39512
    Collection
    • Book chapters

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