BOHAI SEA, FROM 101600UTC TO 131600UTC JAN ,tug haiyangshiyou 677 towing PLATFORM “nan hai 1 hao” , LENGTH overall 550 meters, speed 4 knots，VIA：
A:38-04-17.00N/119-49-26.00E；
B:38-11-45.00N/119-49-26.00E；
C:38-14-32.00N/119-43-15.00E；
D:38-14-32.00N/119-34-55.00E。
CAUTION ADVISED.