Chart correction N12/22 — chart 94217

94217 7Ed. 08/04/12 LAST NM N11/22 N12/22 Substitute V-AIS "S50", can topmark [S18.3] for buoy "S50" 31°18′35.3″N 121°42′00.2″E Add Depth 7 meters enclosed by depth contour (10-meter) centered 31°25′39.1″N 121°43′31.2″E Depth 8.6 meters enclosed by depth contour (10-meter) centered 31°25′45.9″N 121°43′14.0″E Depth 7 meters 31°17′29.0″N 121°43′24.4″E (6(146), 7(165, 166)22 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 08/04/12

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