BOHAI SEA ， TUG “SHENG LI 291” TOWING “SHENG LI 2 HAO ” PLATFORM FROM DONG YING PORT(38°3.7′N；118°58.1′E) TO HONG GUANG SEA AREA：(37°30.6′N；119°0.6′E) FROM 251600 UTC Nov. TO 031600 UTC Dec. SPEED 5 KNOTS.LENGTH OF TOWING 1000 METERS. CAUTION REQUESTED.