Asiana A321 near Kaohsiung on Oct 29th 2019, first officer incapacitated
Last Update: December 6, 2021 / 16:08:24 GMT/Zulu time
South Korea's ARAIB released their final report concluding the probable cause of the serious incident was:
loss of consciousness of unknown cause
Contributing to the serious incident were:
- Lack of awareness about sleep deprivation
- Lack of individual fatigue management
- Lack of safety culture in the organization and safety mindset of its employees when it comes to fatigue management
The ARAIB analysed:
Based on the incapacitated crew's daily life before flight, he slept for about two hours per day for three days. He probably would have high level of fatigue since sleep debt was accumulated.
Pilot replacement in flight is impossible unless there is an augmented crew. For that reason, 'controlled rest' described in Fatigue Management Guide(FMG) seems to be the only option to avoid potential fatigue risks.
The absence of proper procedure and organizational acknowledgement of 'controlled rest' makes it difficult for a pilot to allow 'controlled rest'. Such situation discourages a crew member to utilize 'Controlled Rest' even though he or she does not feel well. Accordingly, there needs to be a systematic measure for decision makers (flight crew) to make a sensible decision.
This article is published under license from Avherald.com. © of text by Avherald.com.
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