Chart correction N24/20 — chart 94216
94216 9Ed. 8/4/12 LAST NM N22/20 N24/20 Delete Depth 5.2 meters 31°05′24″N 122°01′04″E Change Legend to “Yuanyuansha Emergency” 31°18′27″N 121°43′55″E Legend to “Hengsha Oil Tankers and Dangerous Cargo” 31°17′00″N 121°50′53″E Legend to “Hengsha East” 31°17′46″N 121°48′50″E Add Radio reporting line [M40.2] with legend “VTS Reporting Line (see Note)” joining 31°13′12″N 122°28′03″E 30°59′59″N 122°20′05″E 30°59′59″N 121°56′21″E Depth 4.6 meters 31°05′17″N 122°00′58″E Depth 3.6 meters 31°05′18″N 122°01′53″E Depth 3.7 meters 31°05′48″N 122°01′01″E Depth 4.8 meters 31°05′45″N 122°00′33″E and add blue tint and depth contour (5-meter) to enclose above depths (4) (25(1053, 1054)18 Tianjin; 30(3512)18 Taunton; CHN CH 13170, 13177)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 8/4/12
Reference information — always verify against official Notices to Mariners before navigation.