BOHAI SEA, FROM 110800UTC TO 131500UTC OCT,tug HAI YANG SHI YOU 646 AND BIN HAI 286 towing PLATFORM HAI YANG SHI YOU 921, LENGTH overall 550 meters, speed 4 knots，VIA：
A：38-20-03N/120-11-33E
B：40-29-59N/121-47-15E
CAUTION ADVISED.
SHANDONG MSA CHINA.