BOHAI SEA, TUG “BEI HAI JIU 112” TOWING “ZHONG YOU HAI 12” DRILLING PLATFORM FROM 40-41.77N 121-59.01E TO 38-27.12N 117-50.45E，AT 191600UTC JUL. LENGTH OVERALL 550 METRES SPEED 4 KNOTS. TUG “BEI HAI JIU 112” KEEP WATCH ON VHF CHANNEL 16 AND 69. WIDE BERTH REQUESTED. LIAONING MSA CHINA.