BOHAI SEA ， TUG “SHENGLI291” TOWING “SHENG LI ZUO YE XIN SAN” PLATFORM FROM CB273（38°16′09.78〞N/118°50′17.33〞E）TO CB22H（38°13′19.00〞N/118°49′21.00〞E）FROM 071600 UTC JAN .TO 141600 UTC JAN. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.