GD256/21 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 681” TOWING DRILLING PLATFORM “NAN HAI JIU HAO” FROM 22-01-11N 113-59-00E TO 19-38-40N 113-44-58E FROM 21 TO 30 DEC. LENGTH OVERALL 600M SPEED 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA