BOHAI SEA, FROM 010400UTC TO 081600UTC MAR,tug haiyangshiyou 641 and BINHAI 285 towing PLATFORM “bohai 12 hao” , LENGTH overall 550 meters, speed 4 knots，VIA：
A:38-27-45N/120-09-19E；
B:38-38-34N/120-00-40E.
CAUTION ADVISED.
