A Human Error Approach to Aviation Accident Analysis¶
Wiegmann, D. A., & Shappell, S. A. (2003). A Human Error Approach to Aviation Accident Analysis: The Human Factors Analysis and Classification System. Ashgate Publishing.
Cited by¶
1 citation across 1 artifact.
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Domain-specific¶
- Organizational Influence Failure
- In the HFACS (Human Factors Analysis and Classification System) extension of Reason's Swiss-cheese model it is the apex layer of a four-level causal hierarchy — organisational influences → unsafe supervision → preconditions for unsafe acts → unsafe acts — and it is the layer the framework exists to force investigators to reach: the downstream failure is the expression of the upstream decision, not its primary cause
This sourceThe framework statement of HFACS as a four-level hierarchy built on Reason's model, with organizational influences at the apex and the sharp-end act read as the expression of upstream conditions.
- In the HFACS (Human Factors Analysis and Classification System) extension of Reason's Swiss-cheese model it is the apex layer of a four-level causal hierarchy — organisational influences → unsafe supervision → preconditions for unsafe acts → unsafe acts — and it is the layer the framework exists to force investigators to reach: the downstream failure is the expression of the upstream decision, not its primary cause
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