Chart correction 37/20 — chart 94220

94220 5Ed. 1/8/11 LAST NM 33/20 37/20 Delete Buoy “W51” 31°15.0′N 122°36.9′E Substitute Depth 6.1 meters Obstn [K41] for depth 5.2 meters 31°08.3′N 121°54.8′E Add Depth 2.5 meters Obstn [K41] 31°02.4′N 122°03.4′E Danger circle “Obstn” [K40] (PA) 31°10.0′N 122°39.0′E Swept depth 15.2 meters Wk [K27] 31°02.7′N 122°36.8′E (16(662)18, 17(565), 26(966), 27(1002)20 Tianjin; CHN CH 13178)

Source: NGA U.S. Notice to Mariners · edition: 5Ed. 1/8/11

Reference information — always verify against official Notices to Mariners before navigation.