Abstract
Fatigue accounts for 15% to 20% of human-related accidents. The increasing annual demand for air transportation has raised concerns in this 24/7 activity, as the crew ends up working irregular hours to meet this demand. Current regulations limit crew working hours to minimize fatigue risks, but do not eliminate them. Scientific studies reveal multiple contributing factors leading to crew fatigue, dispelling the old paradigms that fatigue resulted solely from a linear accumulation of working hours. Based on the findings of these scientific studies, a new support tool is created and presented, with the primary goal of mitigating fatigue-related effects and enhancing crew alertness to operate at a satisfactory performance level. This work aims, through a literature review, to expose the risks associated with fatigue in aviation operations and introduce the fatigue risk management system as a competitive lever to achieve a balance between safety and productivity.
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