SD 192/24, BOHAI STRAIT TO YELLOW SEA , FROM 300700UTC APR TO 020200UTC MAY, TUG BEIHAIJIU118 TOWING DEYING FROM 37-35.73N 121-22.97E TO 35-09.65N 122-15.75E, VIA CHENGSHANJIAO TSS. TOWING LENGTH 495 METERS, SPEED 5 KNOTS. CAUTION TO AVOID. SHANDONG MSA CHINA.