Accident 49
Accident 49 : General. Aviation Accident Definitions: FAA System Safety Definition: An unplanned fortuitous event that results in harm, i.e. loss, fatality, injury, system loss; See: Risk Severity. The specific type and level of harm must be defined; the worst case severity that can be expected as the result of the specific event under study. Various contributory hazards can result in a single accident; See: Contributory Hazard, Cause, Root Cause, and Initiating Events