Chart correction N20/20 — chart 94216

94216 9Ed. 8/4/12 LAST NM N30/19 N20/20 Delete Dangerous wreck (PA) 31°05′48″N 121°59′24″E Swept depth 7.9 meters Obstn 31°13′07″N 121°48′14″E Depth 9.5 meters 31°13′51″N 121°47′37″E Depth 9.3 meters 31°13′47″N 121°47′48″E Depth contour (10-meter) enclosing above depths (2) in vicinity Depth 9.3 meters 31°14′27″N 121°47′20″E Depth 5.5 meters Obstn and buoy “No W173” in vicinity 31°00′57″N 122°10′10″E Buoy “D11” 31°06′16″N 122°19′29″E Buoy “No 110” 30°59′04″N 122°07′39″E (See N21/19) Substitute Beacon (unlit) “No 6” for light “No 6” 31°13′01″N 122°01′15″E Beacon (unlit) “No 7” for light “No 7” 31°11′57″N 122°04′07″E Depth 4.8 meters R [K14.2] for swept depth 4.1 meters Obstn 31°09′17″N 121°51′47″E Add Buoy Y, pillar, “X” topmark, Mo(O) Y 12s AIS [Q130.6] 31°17′41″N 122°23′55″E Beacon Y, “X” topmark, Mo(C) Y 12s 10m 4M AIS [Q130.6] 31°07′14″N 121°53′47″E Buoy “W217” BuY, pillar, cross topmark, Al Oc BuY 3s [Q130.7] 31°13′41″N 122°21′05″E Buoy Y, pillar, “X” topmark, Mo(O) Y 12s [Q130.6] 30°53′06″N 122°02′44″E Buoy Y, pillar, “X” topmark, Mo(O) Y 15s [Q130.6] 31°12′55″N 121°49′21″E V-AIS “D11”, cone topmark [S18.3] 31°06′14″N 122°19′16″E (continued on next page) NM 20/20 SECTION I I-1.20 94216 (Continued) Add Depth 4.8 meters 31°05′44″N 122°15′15″E and extend depth contour (5-meter) and blue tint E to enclose (7(269), 15(619), 39(1678)18, 4(98), 22(712), 24(777), 35(1173, 1175), 52(1685)19, 11(288)20 Tianjin; CHN CH 13170, 13179)

Source: NGA U.S. Notice to Mariners · edition: 9Ed. 8/4/12

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