GD194/21 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 671” TOWING DRILLING PLATFORM “NAN HAI SI HAO” FROM 20-30.6N 109-30.8E TO 18-34.5N 107-43.6E FROM 26 AUG. TO 1 SEP. LENGTH OVERALL 400M SPEED 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA