BOHAI SEA, FROM 190900UTC TO 200900UTC DEC,tug HAI YANG gong cheng 1201 towing PLATFORM bo hai 4 hao, LENGTH overall 550 meters, speed 4.5 knots，VIA：
A：37-59-56.1N/119-38-53.9E ，
B：38-09-17.8N/119-52-03.3E。
CAUTION ADVISED.
SHANDONG MSA CHINA.
