Crew Resource Management (CRM) is based on the need to better understand factors related to accidents. The introduction of black boxes in the aircrafts pinpointed the main causes of accidents to be uncontrolled procedures, followed by inadequate and untimely situational awareness. These induce distortions in risk analysis with consequences on the decision-making process. In other words, accidents are essentially due to behavioural-related reasons rather than to technical failures.

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