Chart correction N30/20 — chart 95173

95173 3Ed. 2/5/11 LAST NM N10/20 N30/20 Delete Depth 22 meters 37°42′02″N 129°02′02″E Change Fog signal of light to Horn 37°53′52″N 128°50′02″E and add AIS [S17.1] Range of light to 8M 37°53′03″N 128°50′00″E Add Depth 15.5 meters 37°42′12″N 129°02′02″E and extend depth contour (20-meter) NE to enclose Buoy Y, pillar, Fl(5) Y 20s [Q130.6] 37°51′09″N 129°02′11″E (21(282)08, 25(408), 35(652)14, 29(505)16, 4(81)20 Busan; KOR CH 1413)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 2/5/11

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