Chart correction 33/20 — chart 94220

94220 5Ed. 1/8/11 LAST NM 29/20 33/20 Change Designation of buoy “S0” to “S1” 31°00.2′N 122°28.1′E and add AIS [S17.2] (21(722)20 Tianjin) SECTION I NM 33/20 I-1.11

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

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