BOHAI SEA AND BOHAI STRAIT TUG BEIHAIJIU119 TOWING GENGHAI1HAO LARGE PLATFORM FROM 40-42.81N121-00.29E TO 37-33.90N121-26.30E AT 150000UTC MAY LENGTH OVERALL 570 METRES SPEED 4 KNOTS VIA 40-15.00N121-12.00E、38-36.00N120-50.00E AND 37-36.50N121-27.00E.WIDE BERTH REQUESTED.LIAONING MSA CHINA.