YELLOW SEAM/V “FU SHENG 16” TRIAL VOYAGE FROM 170000UTC TO 170900UTC NOV IN AREA BOUNDED BY THE LINES JOINING.A:37°38′N,122°00′E; B:37°38′N,122°10′E; C:37°40′N,122°00′E; D:37°40′N,122°10′E,CAUTION ADVISED.