GD38/22 SOUTH CHINA SEA M/V “ZHAN GANG TUO 16” TOWING “CHANG SHI 7” FROM 21-17-35N 110-25-14E TO 22-07-14N 113-40-23E FROM 21 TO 23 APR. LENGTH OVERALL 350M SPEED 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA