Operator was on his way out of the harbor under power.  His engine alarm went off and smoke came out of the compartment.  The engine shut down.  A cruise ship approx. 1/4 mile behind him was heading in the same direction.  There were crew members on the bow that saw he was in distress.  Operator of vessel #1 felt there was plenty of room in channel to avoid collision.  Vessel #2 did not and struck the aft port side of vessel #1 causing property damage.  
Nantucket                     