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The Human Factor: A Perfect Storm of Fatigue

Gemini Sparkle

Key Takeaways:

  • Fatigue, including severe forms like micro naps and degraded cognitive states, is a critical and widespread issue among aviation professionals, significantly impairing decision-making and performance.
  • Current rotating shift schedules for air traffic controllers are a major cause of chronic fatigue, making it nearly impossible for them to maintain healthy sleep patterns and leading to impaired concentration and critical errors.
  • The 2006 Lexington crash serves as a stark example where fatigue in both pilots and the air traffic controller likely contributed to a series of critical errors, underscoring how fatigue can undermine aviation safety systems.
  • Addressing aviation fatigue requires systemic changes to work schedules, particularly for controllers, and a commitment from all aviation professionals to prioritize adequate rest, as fatigue severely compromises safety.
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(April 2011) AFTER WRITING THREE articles on the subject of fatigue I figured I had pretty much covered that topic. Then I started receiving e-mails and phone calls from Flying readers, more than I have ever received before. It is obvious that fatigue is a critical issue for many people.

Paul Reeves described his own battle with micro naps that developed into micro sleep intrusions in which he was “still awake but under severely degraded motor function and a zombielike cognitive state — eyes open, brain off.” He said that he could not tell when this occurred, and could hear everything in real time, but he had dreamlike experiences that were close to hallucinations. Paul stopped driving and lost his medical for eight years while he got help with this problem. He pleaded with other pilots with sleep disorders to seek help, because he has “no doubt if I had continued on my own, you would not be reading this letter.”

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