BOHAI SEA ， TUG “SHENG LI 291” TOWING “SHENG LIZUOYEWUHAO” PLATFORM FROM CB27A（38-14′44.5″N/118-52′06.1″E）TO CB11E（38-13′37.0″N/118-48′06.0″E）FROM 110400UTC DEC.TO 160400 UTC DEC. SPEED3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.