GD94/25 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 685” TOWING DRILLING PLATFORM “SHEN LAN TAN SUO” FROM 19-56.7N 114-43.4E TO 21-25.8N 115-01.0E.FROM 22 TO 24 MAY. LENGTH OF TOW 500M SPEED 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA