BOHAI SEA, FROM 261000UTC TO 281000UTC APR,tug HAIYANGSHIYOU649, BINHAI 287 towing PLATFORM BOHAI 4 HAO, LENGTH overall 550 meters, speed 4 knots，VIA：
A：37-56-41N/119-35-58E
B：38-20-15N/119-07-18E
CAUTION ADVISED.
SHANDONG MSA CHINA.
