GD74/22 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 670” TOWING DRILLING PLATFORM “NAN HAI QI HAO” FROM 19-43-07N/112-33-54E TO 19-39-01N/112-16-32E FROM 31 JUL. TO 1 AUG. LENGTH OVERALL 400M SPEED 3KN TO 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA