The Dirty Dozen: When Fatigue Turns Fatal
This article series sheds light on the 12 most common causes of human error, known as the Dirty Dozen (article 9 of 12).
Have you ever been fatigued? Fatigue is a term which involves a feeling of burnout or constant exhaustion – physically, mentally, or a combination of both.
From a human factors’ perspective, fatigue is a critical issue because the condition directly impairs cognitive function, reactive time, and the ability to make safe decisions under pressure. Some effects of fatigue may be quite visible, while others are less overt.
Fatigued pilots, cabin crew, or maintenance staff are more prone to errors, misjudgements, and lapses in memory and concentration. Factors which can significantly compromise flight safety and endanger passengers and colleagues.
Read more: Diving into the Dirty Dozen: Limit the Impact and Improve Safety
Consequences of Fatigue
Fatigue has many consequences like:
- Slower reaction time
- Impaired decision-making skills
- Reduced attention to detail
- Increased risk of falling asleep
All of these consequences can have a fatal outcome in our line of work.
Therefore, it is important to report issues related to fatigue so the organisation can prioritise safe execution of the work.
Read more: Human Factors in Aviation: The Crucial Role of Training
Reducing Fatigue in a Busy Industry
It is of course always best to avoid fatigue. Listen to your body. Get enough sleep. And consult a medical professional if you experience extended periods of exhaustion or energy depletion.
There are also a number of ways in which the organisation can reduce the occurrence of fatigue in the operational environment:
- Optimise work schedules to account for periods of rest and the circadian rhythm.
- Promote awareness of good sleep habits.
- Balance the workload to prevent a mental or physical strain on personnel.
- Encourage employees to report issues with fatigue without fear of punishment.
- Implement regular fatigue management training and mitigating strategies.
Fatigue is a serious threat to aviation safety, but if we take the necessary steps to mitigate its effects, we can reduce human errors and ensure safer operations.
