BOHAI SEA ， TUG “SHENG LI 291” TOWING “SHENG LI ZUO YE XIN SAN” PLATFORM FROM CB11F（38-14′04″N/118-48′08″E） TO CB6D（38-16′42.58″N/118-49′06.13″E） FROM 280900 UTC SEP .TO 071600 UTC OCT. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED. SHANDONG MSA.