BOHAI SEA ，TUG “HAI YANG SHI YOU641” TOWING “BO HAI 5 HAO” PLATFORM FROM BZ19-4-5d（38°20′30.774″N；119°05′25.607″E）TO KL10-1N-10（37°49′30.404″N；119°32′09.994″E）, FROM 190800UTC FEB.TO 261600 UTC FEB. SPEED 4 KNOTS.LENGTH OF TOWING 526 METERS. CAUTION REQUESTED.