VESSEL 1 CRUSiING WESTBOUND, FAILED TO SEE VESSEL 2 - TOWN PUMPOUT VESSEL-  WHICH WAS DRIFTING.  V2 THOUGHT V1 WAS APPROACHING FOR PUMPING, SO DID NOT TAKE EVASIVE ACTION.  PORT BOW OF V1 STRUCK PORT BOW OF V2, CAUSING DAMAGE.
SOUTHAMPTON                   