Chart correction N20/20 — chart 94217

94217 7Ed. 8/4/12 LAST NM N10/20 N20/20 Delete Depth 11.8 meters 31°21′17.3″N 121°47′52.0″E Add Dangerous wreck [K28] (PA) 31°21′18.1″N 121°47′52.9″E Buoy Y, pillar, “X” topmark, Mo(O) Y 12s AIS [Q130.6] 31°23′08.4″N 121°50′22.8″E Buoy Y, pillar, “X” topmark, Mo(O) Y 12s [Q130.6] 31°22′52.0″N 121°50′05.4″E (45(1970)18, 9(178), 11(288)20 Tianjin; CHN CH 13181)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 8/4/12

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