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03/06/2011
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Immediate cause database

During an investigation, the RAIB aims to identify the immediate cause, as well as all the other causal factors that led to an accident or incident occurring.  The full details of these are recorded in the respective published reports.

In terms of the immediate cause, the RAIB means the condition, event or behaviour that directly resulted in the occurrence.  To help search for similar types of events, the RAIB also classifies the immediate cause by categorising them according to one of the following railway areas: signalling & telecommunications; infrastructure; operations; or vehicles.  Each of these areas is then subdivided into a further group according to sub area, subsystem, feature, or attribute (eg operations – train driving).  This provides a unique identifier for each immediate cause.

This information is now being made available on the web site to enable users to search by area / sub-area to identify all RAIB investigation reports that are associated with that particular category of immediate cause.

Searches can be made by selecting the area from the main drop down list and then selecting the sub-area from the subsequent drop-down lists.

Click here to view database