BOHAI SEA ，TUG “BEI HAI JIU 111 ” TOWING “HAI YANG SHI YOU 941” PLATFORM FROM BZ19-2-4(38°25′20.347″N；118°58′42.282″E) TO LD5-2N WHPA(39°59′52.605″N；120°48′57.252″E) FROM 221600 UTC OCT TO 081600 UTC NOV. SPEED 4 KNOTS.LENGTH OF TOWING 550 METERS. CAUTION REQUESTED.