RedactedNarrative: vessel#1 tied up at south portland dock. A daimond island ferry boat came to the same dock to drop off people from the island(diamond island boat not involved in the accident).  while there helped vessel#1 secure lines till he could get out.  ferry operator said that the operator of vessel #1 seemed confused and not sure of what to do.  ferry operator showed him that he was going to break the dock if he stayed there.    ferry operator left after securing additional lines onto vessel #1.  vessel #1 was aided by another person clearing the lines.  vessel #1 was only operating one engine at the time and was blown stern first onto an old pier that is half- submerged, where the boat came to rest.
  
  there has also been discussion that vessel#1 was also operating only one engine during the attempted departure