BOHAI SEA, TUGS BEIHAIJIU116,MINSHENG005 TOWING PLATFORM WANZUAN4HAO, FROM 38-18.2N 119-38.2E TO 38-00.8N 119-47.8E, FROM 190000UTC TO 231600UTC AUG, LENGTH OVERALL 300 METERS, SPEED 4 KNOTS. CAUTION TO AVOID. SHANDONG MSA CHINA.