Chart correction N33/20 — chart 94217

94217 7Ed. 8/4/12 LAST NM N31/20 N33/20 Delete Buoy “No 2” 31°17′35.1″N 121°45′19.2″E Buoy “A53” 31°18′24.2″N 121°43′13.6″E Change Designation of buoy “No 5” to “No 3” 31°16′52.0″N 121°46′21.2″E Designation of buoy “No 7” to “No 10” 31°18′02.1″N 121°44′59.1″E Designation of buoy “No 3” to “No 6” 31°17′24.1″N 121°45′37.7″E Designation of buoy “No 6” to “No 2” 31°16′28.7″N 121°46′45.3″E Designation of buoy “3A” to “No 5” 31°17′16.3″N 121°45′52.3″E Designation of buoy “2A” to “No 7” 31°17′32.7″N 121°45′23.6″E Designation of buoy “No 8” to “No 11” 31°17′51.0″N 121°45′15.1″E Designation of buoy “A54” to “S50” 31°18′35.3″N 121°42′00.2″E Designation of buoy “No 1” to “No 9” 31°17′49.0″N 121°44′55.1″E Designation of buoy “A49” to “S45” 31°16′35.2″N 121°45′12.6″E Designation of buoy “A52” to “S48” 31°17′40.8″N 121°43′18.0″E Designation of buoy “A50” to “S46” 31°16′58.0″N 121°44′03.0″E Designation of buoy “A51” to “S47” 31°17′45.6″N 121°44′01.1″E (See N36/18) Add Buoy “No 8” Y, pillar, “X” topmark, Mo(C) Y 12s [Q130.6] 31°17′40.4″N 121°45′09.2″E Buoy “S49” G, pillar, cone topmark, Fl G 4s 31°18′27.6″N 121°43′19.2″E (22(757, 758)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.