Product tanker MAISTROS under way collided with anchored product tanker RIDGEBURY KATHRINE Z on an outer anchorage Antwerp in North Sea, off Belgium coast, at around 0500 UTC Sep 21, seemingly after engine or mechanical failure. MAISTROS with unidentified cargo on board is en route to Antwerp, RIDGEBURY KATHRINE Z is in ballast. No one was injured, but understood both vessels suffered damages, MAISTROS was brought to anchor near collision site.
