Description of Incident
A worker suffered a serious finger injury when their finger was caught between a crane wire and the recovery hook on an ROV. The incident occurred during an emergency recovery of the ROV. A small boat (an FRC) was used to facilitate connecting the ROV emergency rigging sling to the crane hook to allow recovery of the ROV to deck. Movement of the crane headache ball was controlled by having it slightly submerged and having the forerunner with ROV hook tied up with a rope to the crane wire.
The plan was for a second person to use the boathook to retrieve the ROV/crane hook, which would then be connected to the emergency rigging. When it was connected to the crane, the securing line from the ROV to the FRC would then be released.
The worker successfully retrieved the emergency rigging on the ROV and attached it to the FRC by a securing rope. Then the FRC moved away from the vessel and the crane operator on the vessel started paying out wire and manoeuvring the rigging towards the FRC. However, before retrieving the crane hook, the worker had to release the ROV hook attached to the crane wire with a thin rope, using a knife. As the worker did so, their finger was pinched, resulting in an amputation down to approximately the nail bed on the left ring finger.
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