Brazil’s Maritime Casualty Investigation Department of the Brazilian Navy’s Directorate of Ports and Coasts is awaiting a report on a Triple 5 lifeboat release mechanism to complete its investigation into the release of a lifeboat from the semisubmersible drilling rig Ocean Ambassador.
Two died and two others were seriously injured when a twin-fall lifeboat from the Diamond Offshore-owned, OGX-leased rig was being recovered from the sea after training and maintenance operations. A Triple 5 hook from the lifeboat is being examined by the manufacturer, Survival Systems International.
The Triple 5 hook is based on an early design by the same company with a record of 25 years without an accident. It is designed to fail-to-safe under load.
The report, expected in Q3 2010 is expected to address the issue of lifeboat recovery with crew aboard, which frequently results in deaths and injuries when safety-critical hoisting equipment fails.
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