Consider a nuclear power plant operator and an automated sys…
Consider a nuclear power plant operator and an automated system that manages the plant. The automation integrates information and provides alerts to the operator if there are values out of range. Today, the operator receives an alert that the temperature and the water level in reactor 1 are very high. The automated system suggests releasing water out of reactor 1. This does not make sense to the operator, but the automation has never been wrong before, so the operator does release water out of reactor 1. The supervisor asks if the temperature and water level were normal earlier in the shift, but the operator did not check them since there was no alert from the system. Within hours, reactor 1 experiences a partial meltdown. What source of automation intervention failure is this describing?
Read DetailsHFACS: A pilot uses a start-up checklist every single time t…
HFACS: A pilot uses a start-up checklist every single time that they fly. On one particular day, this pilot is rushing through the checklist and unknowingly skips over a checklist item, resulting in them trying to taxi with the parking brake on. This is best classified as what?
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