BOHAI SEA, TUG "HAI YANG SHI YOU 647" TOWING "BO HAI 9 HAO" DRILLING PLATFORM FROM 40-04-25N 120-53-09E TO 38-19-37N 119-15-42E，AT 271600UTC MAY. LENGTH OVERALL 476 METRES SPEED 4.5 KNOTS. TUG "HAI YANG SHI YOU 647" KEEP WATCH ON VHF CHANNEL 16 AND 69. WIDE BERTH REQUESTED. LIAONING MSA CHINA.