BOHAI SEA ， TUG “HAI YANG SHI YOU 679、BIN HAI 286” 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 261600 UTC FEB.TO 071600 UTC MAR. SPEED 4 KNOTS.LENGTH OF TOWING 510 METERS. CAUTION REQUESTED.