BOHAI SEA ，TUG “HAI YANG SHI YOU 677” TOWING “ZHAO SHANG HAI LONG 8” PLATFORM FROM CFD23-6-1 （38°24′55.255″N，118°52′20.207″ E） TO LK3-1-1（38°56′13.291″N，120°31′35.326″E）. FROM 100400 UTC FEB. TO 161600 UTC FEB. SPEED 4 KNOTS. LENGTH OF TOWING 520 METERS. CAUTION REQUESTED.