Precursors

Precursor events can be any service information or experience, or test or inspection data that could be interpreted as a predictor that the event consequences could occur if the event conditions were present. Accident precursor data can be from any discipline (e.g., risk analysis, statistics, engineering, ergonomics, psychology, sociology, and organizational behavior).

The role and importance of accident precursor recognition cannot be over emphasized. Precursor data can be a valuable source of information for decision-making, either directly or as a supplement to risk analysis. Moreover, precursor data inherently incorporates the effects of factors such as human errors and inter-system dependencies.

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