YELLOW SEAM/V “ZHAOSHANG 266” TRIAL VOYAGE FROM 150000UTC TO 230900UTC OCT 2020 IN AREA BOUNDED BY THE LINES JOINING. A:37°25′N,123°10′E; B:37°00′N,123°10′E; C:37°00′N,123°25′E; D:37°25′N,123°25′E, CAUTION ADVISED. SHANDONG MSA CHINA