BOHAI SEA ， TUG “SHENG LI 291” TOWING “SHENG LI ZUO YE WU” PLATFORM FROM CB11E（38°13′37〞N/118°48′06〞E） TO CB251D （38°13′43.31〞N/118°51′51〞E） FROM 281600 UTC DEC .TO 011600 UTC JAN. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.