BOHAI SEA.THE TUG "BEI HAI JIU 118" TOWING THE DRILLING PLATFORM "ZHONG YOU HAI 6" FROM 40°27′05.824″N/121°11′55.330″E TO 39°05.04′N/118°29.11′E SINCE 142300UTC MAY.LENGTH OVERALL 525 METRES.SPEED 4 KNOTS. TUG "BEI HAI JIU 118" KEEP WATCH ON VHF CHANNEL 16 AND 67. WIDE BERTH REQUESTED.LIAONING MSA CHINA.