The MAIB has been recording incidents involving dangerously weighted heaving lines used in British ports for the last 2 years. While there have fortunately been few cases of injury or damage the risk remains, and is a continuing concern.
The IncidentA bulk carrier under pilotage had one last bend in the river to negotiate before making its f inal approach to the dock entrance. With the remnants of the flood tide behind them, the pilot had timed the arrival perfectly to achieve a maximal under...
https://mfame.guru/bulk-carrier-grounding-highlights-river-navigation-risks/