Analysis of more than 40 million alarm-related events shows most alarms offer little operational value, disrupt rest and push crews toward risky workarounds.

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Research analyzing 40 million alarm events from 11 ships reveals that excessive shipboard alarms are creating safety risks through crew fatigue and system distrust. Ships generate thousands of daily alarms with little operational value, disrupting 63% of rest periods on vessels with unattended machinery. A pilot project demonstrated that traditional engineering interventions reduced alarm volume by 50% without new technology, while addressing the top 10 most frequent alarms could cut overall loads by 40%. The findings call for human-centered alarm system design and objective performance standards.

Alarm overload is undermining safety at sea shows new LR research