BOHAI SEA, TUG “HAI YANG SHI YOU 677” TOWING “ZHONG YOU HAI 19” DRILLING PLATFORM FROM 40-22.4N 121-36.3E TO 37-44.0N 119-40.1E，AT 070400UTC MAY. LENGTH OVERALL 550 METRES SPEED 4 KNOTS. TUG “HAI YANG SHI YOU 677” KEEP WATCH ON VHF CHANNEL 16 AND 67. WIDE BERTH REQUESTED. LIAONING MSA CHINA.