Protection against the deadly killer

Published on November 24th, 2020

It’s Carbon Monoxide Awareness Week in the United Kingdom and Captain Andrew Moll, Chief Inspector for Marine Accident Investigation Branch (MAIB), a UK government organization authorized to investigate all maritime accidents, offers three common safety lessons that are worth highlighting to avoid this deadly killer:

Fit a carbon monoxide alarm and ensure it works
Due to the odorless, colorless nature of carbon monoxide, fitting a detector remains the only effective warning that the poisonous gas may be present. In all of the cases we investigated, the boats’ occupants were not alerted to the presence of carbon monoxide either because there was no carbon monoxide alarm, or because the one fitted was not working. Our investigation into the fatal accident on board Love for Lydia highlights the importance of fitting a carbon monoxide alarm.

Install and maintain onboard equipment properly
The tragic incident which occurred on board Arniston raises the importance of ensuring equipment or modifications to boats are undertaken in accordance with the manufacturer’s guidelines. All safety critical work on boats should be undertaken by a competent marine engineer using the correct materials and all installations and modifications should be fit for purpose. Even a gas cooker, if not burning efficiently, can generate enough carbon monoxide to kill. Eshcol was a small commercial fishing vessel, and two crew lost their lives on board when they left the gas grill on overnight to warm the cabin.

Service engines regularly
Our investigation into carbon monoxide poisoning on motor cruiser Vasquez highlighted the importance of regularly servicing a boat’s engine to ensure it remains reliable and safe to use. The investigation found that the engine on board Vasquez had not been regularly serviced and there was evidence that the exhaust system of the engine had been modified during the boat’s life.

Ultimately, the only way that boat owners can take potentially lifesaving action when exposed to carbon monoxide is by being alerted to the presence of this poisonous gas. Carbon monoxide alarms are readily available, inexpensive and simple to fit. I urge boat owners to fit one as soon as possible.

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