BOHAI SEA ， TUG “SHENGLI 291” TOWING “SHENGLIZUOYEXINYI” PLATFORM FROM CB22H（38-13′19″N/118-49′21″E） TO CB326（38-15′7.773″N/118-57′36.005″E） FROM 190800 UTC OCT .TO 251600 UTC OCT. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.