Thumb caught while hooking on

摘要

On a large yacht, the beach lander was to be recovered at the port side shell door. The beach lander was positioned under the davit hooks and secured fore and aft. The forward hook was lowered and a crewmember attempted to attach the hook to the strop. At the same time an unusually big wave that had lifted the beach lander up now was moving to its trough and the small craft descended rapidly, crushing the crew member's left thumb between the hook and the lifting strop.