BOHAI SEA ，TUG “HAI YANG SHI YOU 647” TOWING “HAI YANG SHI YOU937” PLATFORM FROM BZ13-2-8d (38°28′46″N ; 119°04′01″E）TO BZ25-1WHPD(38°
12′39″N ; 119°05′42″E）, FROM 051200UTC FEB TO 101500UTC FEB. SPEED 4 KNOTS.LENGTH OF TOWING 515 METERS. CAUTION AND REQUESTED.