BOHAI STRAIT, TUG BEIHAIJIU115 TOWING DEFU2HAO, FROM 37-36.0N 121-27.0E TO 37-40.0N 120-10.0E, FROM 120100UTC TO 150400UTC OCT, LENGTH OVERALL 490 METERS, SPEED 5 KNOTS VIA 37-58.3N 121-03.6E，38-05.0N 120-24.2E,37-50.0N 120-10.1E.CAUTION TO AVOID.
SHANDONG MSA CHINA.