BOHAI SEA.THE TUG "HAI YANG SHI YOU 679" TOWING THE DRILLING PLATFORM "HAI YANG SHI YOU 937" FROM 40°19′05.387″N/121°03′41.903″E TO 38°46′10.945″N/118°40′32.818″E SINCE 020400UTC JUN.LENGTH OVERALL 515 METRES.SPEED 4 KNOTS. TUG " HAI YANG SHI YOU 679" KEEP WATCH ON VHF CHANNEL 16 AND 67. WIDE BERTH REQUESTED.LIAONING MSA CHINA.