BOHAI SEA.TUG "HAI YANG SHI YOU 677" TOWING THE PLATFORM "ZHAO SHANG HAI LONG 2" FROM 40°18′41.858″N/121°05′51.870″E TO 39°44′12.084″N/120°40′28.506″E AT 030000UTC MAY.LENGTH OVERALL 550 METRES.SPEED 4 KNOTS.VESSEL "BIN HAI 286" ESCORT.WIDE BERTH REQUESTED.LIAONING MSA CHINA.