ZJ0310 EAST CHINA SEA TRIAL SHIP “GAO LAN801”IN AREA BOUNDED BY THE LINES JOINING 28-23.0N 121-49.7E,28-23.0N 121-54.8E,28-18.0N 121-48.7E,28-18.0N 121-47.4E(China Geodetic Coordinate System 2000) FROM 240100UTC TO 240730UTC MAY. WIDE BERTH REQUESTED ZHEJIANG MSA CHINA