BOHAI SEA ，TUG “ZHONG YOU HAI 298” TOWING “ZHONG YOU HAI 18” PLATFORM FROM BZ21-2-2（38°25′51.465″N/ 119°18′29.282″E）TO BZ34-9WHPB(37°59′20.479″ N/119°41′38.814″E）, FROM 270300 UTC NOV.TO 021600 UTC DEC. SPEED 4 KNOTS.LENGTH OF TOWING 550METERS. CAUTION REQUESTED.