BOHAI SEA ， TUG “HAI YANG SHI YOU 679、BIN HAI 287” TOWING “GULF DRILLER Ⅰ” PLATFORM FROM BZ34-1CEPA(38°08′26.79′′N; 119°31′39.56′′E)TO CFD11-6WHPD (38°43′33.305′′N; 118°50′27.455′′E) ,THROUGH WPT1(38°34′42"N,119°06′00"E) WPT2(38°42′00"N,118°51′00"E) FROM 210900 UTC FEB.TO 251600 UTC FEB. SPEED 4 KNOTS.LENGTH OF TOWING 510 METERS. CAUTION REQUESTED.