NORTH BOHAI SEA TUG BEI HAI JIU 118 TOWING HAI YANG SHI YOU CHAO REN DRILLING PLATFORM FROM 40-10.14N 121-00.30E TO 38-43.78N 118-41.93E AT 170400UTC APR LENGTH OVERALL 522 METRES SPEED 4 KNOTS VIA 38-59.90N 119-20.10E，38-54.40N 119-08.10E，38-41.00N 118-54.60E.WIDE BERTH REQUESTED. LIAONING MSA CHINA.