2 people aboard vessel #1 were at anchor and asleep on boat when they were woken by an unknown vessel causing property damage.  This vessel's engine cut-out and operator kept trying to start the vessel and then took off.  Operator of vessel #1 said that there mast light was on and there was a 1/2 moon shedding alot of light and you could see at least 1/2 mile clearly.  Unknown 2nd vessel and unknown cause of accident.
Northampton                   