LN0073 BOHAI SEA, TUG “HAI YANG SHI YOU 649” TOWING “BO HAI 7 HAO” DRILLING PLATFORM FROM 40-02-26N 121-05-39E TO 38-02-40N 119-52-07E，AT 251600UTC APR. LENGTH OVERALL 526 METRES SPEED 4.5 KNOTS. TUG “HAI YANG SHI YOU 649” KEEP WATCH ON VHF CHANNEL 16 AND 69. WIDE BERTH REQUESTED. LIAONING MSA CHINA.