Abstract
Maintenance staff fatigue is one of the key factors contributing to the occurrence of errors in the maintenance. The problem of maintenance staff fatigue is a serious challenge for aircraft maintenance organizations, and its solution is directly related to the impact on flight safety. The authors consider the issues of the fatigue effect on the maintenance staff performance and related consequences. The article provides the results of the maintenance staff fatigue research, obtained through a survey of one of the organizations` employees. According to the survey, errors are the most likely outcome of work in a state of fatigue in aircraft maintenance. The obtained results made it necessary to develop a methodology for managing maintenance staff fatigue in aircraft maintenance. The methodology is based on a questionnaire, where the respondents are asked to answer questions regarding their state of fatigue, and fatigue assessment criteria. The assessment results make it possible to develop the necessary corrective and preventive measures, including the privilege limitation and suspension to perform maintenance tasks.
Highlights
Maintenance staff fatigue have a dangerous effect both on the quality of the work performed and on the flight safety [1]
The survey showed that 80% of maintenance staff noticed the occurrence of errors when working in state of fatigue, 34% noticed that working in a state of fatigue could be a threat to flight safety (Table 1)
The questionnaire is aimed at identifying the factors that most often contribute to the maintenance staff fatigue, such as: working conditions, sleep problems, increased responsibility associated with the performance of aircraft maintenance, the atmosphere in the work team, lack of breaks, workload, deadlines, work complexity, provision with resources, passive activity, monotony of aircraft maintenance tasks, circadian rhythms effect and work schedule
Summary
Maintenance staff fatigue have a dangerous effect both on the quality of the work performed and on the flight safety [1]. In a state of fatigue, a person, while performing maintenance, can fall asleep for a moment (from 2 to 30 seconds), starting to enter the first stage of sleep, while their eyes still open. In such situations, a person is usually unaware of his state of fatigue and may continue to perform simple repetitive maintenance tasks while sleeping. A person is usually unaware of his state of fatigue and may continue to perform simple repetitive maintenance tasks while sleeping Such influence can lead to catastrophic outcome in aircraft maintenance, for example,.
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