In its latest Safety Digest, UK MAIB focuses on how a mooring line from a ferry, can easily be tangled in the propeller, without the right communication between the ship personnel and the shore. Based on this accident, MAIB advises to always follow the directions of the safety system and keep in mind that routine operations allow safe practices to be tested.
The incident
A ferry was attempting to leave port, when a mooring line became entangled in propeller.
The ferry had already successfully...
https://safety4sea.com/lessons-learned-taking-shortcuts-on-an-operation-leads-to-accidents/