BOHAI SEA, FROM 280800UTC TO 310800UTC DEC,tug BIN HAI 285 towing PLATFORM bo hai 5 hao, LENGTH overall 550 meters, speed 4.5 knots，VIA：
A：38-24-39N/120-11-18E ，
B：38-28-28N/120-05-36E。
CAUTION ADVISED.
SHANDONG MSA CHINA.
