BOHAI SEA ， TUG “SHENGLI 291” TOWING “SHENGLIZUOYEXINSAN” PLATFORM FROM CB6D（38-16′42.58″N/118-49′06.13″E） TO CB22E（38-10′45″N/118-48′35″E） FROM 090900 UTC OCT .TO 151500 UTC OCT. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.