Human Factors Engineering

Human Factors PEARS model

There are many concepts related to the science and practice of human factors. However, from a practical standpoint, having a unified view of what we should be concerned about is most helpful when considering aviation maintenance human factors. An excellent way to gain this understanding is by using a model. For over a decade, “PEAR”

HFACS as a predictive tool

The HFACS model was designed to be a classification tool rather than a predictive tool. However, since its initial development, there has been a lot of interest on whether it can also be used as a predictive tool. That is, can it be used to inform us about which factors in preconditions for unsafe acts,

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