BOHAI SEA ， TUG “SHENGLI291” TOWING “SHENG LI ZUO YE WU HAO” PLATFORM FROM ZH113（38-8.843′N/118-55.769′E）TO CB27A（38-14′44.5”N/118-52′06.1”E）FROM 270400UTC NOV .TO 051600 UTC DEC. SPEED3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.