What can be a direct result of flying with fatigue?

Flying with fatigue can significantly impair a pilot’s cognitive and physical abilities, leading to a decreased level of alertness and slower reaction times. This impaired state can result in reduced situational awareness, meaning the pilot may not accurately perceive or respond to critical changes in the environment, such as unexpected weather conditions or other aircraft in the vicinity. Additionally, fatigue can negatively affect decision-making processes, causing pilots to make poor judgments or overlook safety protocols.

The increased likelihood of accidents stems from these factors. As fatigue compromises essential skills required for flying—such as concentration, coordination, and the ability to process information accurately—there's a heightened risk of errors, which can ultimately lead to incidents or accidents. Recognizing the serious implications of flying while fatigued is crucial for maintaining safety in aviation operations.