It is a broad human error framework that was originally used by the US Air Force to investigate and analyse human factors aspects of aviation. The HFACS framework provides a tool to assist in the investigation process and target training and prevention efforts. Investigators are able to systematically identify active and latent failures within an organisation that culminated in an accident. The goal of HFACS is not to attribute blame; it is to understand the underlying causal factors that lead to an accident. Within each level of HFACS, causal categories were developed that identify the active and latent failures that occur.
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Human error remains the leading cause of DoD mishaps. Many investigators look only as far as the person s involved inthe mishap. Mishaps are rarely attributable to a single cause, but are often the end result of a series of errors.
It is designed for use by all members of an investigation board in order to accurately record all aspects of human performance associated with the individual and the mishap or event. Preconditions Next, ask, "Why did that persondo this unsafe act? Perhaps the mishap person was fatigued, going through a divorce, complacent or trying to accomplish the procedure in bad weather. Read about the Preconditions nanocodes and pick those that apply. Perhaps there were SOPs in place, but they were unclear or not enforced.
Organizational Influences Finally, look at the organization as a whole. Perhaps the mishap person was given procedures to use that were unclear or the training they received was inadequate.
It could also be that budget issues or the improperselection of personnel were factors. Swiss Cheese Model.
DoD HFACS 7.0 Checklist
DoD HFACS 7.0 Intro