Bridge alarm fatigue

Constant alarms can cause fatigue and influence bridge safety according to an investigation by The Shipowners P&I Club:

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The concern is clearly valid, but …

Speaking as the veteran of a (failed) alarm rationalization project for a military aircraft, the problem is really hard.

Another point the article missed is the degree to which a culture of blame contributes to the problem. If a vendor’s subsystem fails to sound an alarm when something goes wrong, the vendor may be on the hook for a casualty. So the philosophy becomes, “when in doubt, sound the alarm.” And the false alarm rate goes through the roof.




The Shipowners P&I Club has published a study into the effect of Bridge alarms on the situation awareness of bridge crew: