GD203/21 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 670” TOWING DRILLING PLATFORM “NAN HAI QI HAO” FROM 19-45-46N 112-13-04E TO 19-42-59N 112-29-35E FROM 6 TO 9 SEP. LENGTH OVERALL 400M SPEED 3KN TO 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA