BOHAI SEA ，TUG “BIN HAI 287”、“BIN HAI 284” TOWING “KAI XUAN 1 HAO” DRILLING PLATFORM FROM BZ25-1WHPB（38°14′47″N；119°07′28″ E）TO BZ25-1WHPA（38°15′50″N，119°07′15″E）。FROM 020700UTC APR.TO 100700 UTC APR. SPEED 4 KNOTS.LENGTH OF TOWING 520 METERS. CAUTION REQUESTED.