The US Coast Guard (USCG) has shared lessons learned from a recent marine casualty that resulted in a severe injury to a crewmember onboard a cargo vessel. The incident brought to light a dangerous and potentially fatal situation involving hidden corrosion involving D-ring lifting points.
While positioning a removable hatch cover on the vessel, three of the four D-ring securing straps failed, causing an uncontrolled snap-back of the lifting sling assembly that struck the crewmember in the head. The three fractured securing straps showed similar failures with a significant amount of corrosion beneath the paint and on the underside of the straps. It is likely that just one D-ring failed initially, which Continue reading “Hidden corrosion can cause dangerous failures”