BOHAI SEA, FROM 100900UTC OCT TO 101200UTC DEC,tug HAI YANG shi you 646 towing PLATFORM bo hai 5 hao, LENGTH overall 550 meters, speed 4 knots，VIA：
A：38-22-18N/120-11-05E ，
B：38-24-39N/120-11-18E。
CAUTION ADVISED.
