BOHAI SEA ，TUG “HAI YANG SHI YOU 647” TOWING “BO HAI 7 HAO” PLATFORM FROM KL10-2-6（37°45′32.431″ N；119°32′38.046″E）TO CFD11-3E-1d(38°44′50.876″N;118°44′44.477″E）, FROM 270200UTC FEB.TO 051600 UTC MAR. SPEED 4 KNOTS.LENGTH OF TOWING 526 METERS. CAUTION REQUESTED.