12/8/2023 0 Comments People who man an atc tower![]() ![]() Fatigue factors: Train operational staff to be aware of fatigue issues.Training: SPO performed in simulated training environment.Competency assessment: Regular competence assessment and stringent recency requirements.Contingency plan: Have a contingency plan should the SPO staff member become unavailable at short notice.The night period coincides with the main window of circadian low (2 am to 6 am) which means that people are more susceptible to fatigue.If there are prolonged periods of low workload, there is greater portential for errors due to boredom or complacency.If there are periods of extremely high workload, SPO may not be a safe option overall.Night time SPO presents three major challenges: Monitoring each other's actions is a barrier against human error which is removed when SPO is introduced. Reduced team interaction. This means that passing on wisdom is reduced - degrading collective wisdom and potentially affecting competency in the long term.Competency. Unnoticed proficiency / competency degradation.Fitness for duty. The individual unfitness for duty is not detected. ![]() Fatigue. The individual fatigue is not detected.Threats and errors. Non-detection of threats and non-recognition of an error.Operational imperative of the replacement of staff involved in aviation incident/accident. Lack of redundancy. Staff incapacitation in case of workplace incidents/accidents, illness, toilet relief. ![]()
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