Chart correction N9/20 — chart 61331
61331 5Ed. 10/23/10 LAST NM N9/11 N9/20 Delete Buoy 12°12′44″S 49°15′24″E Substitute Depth 12 meters Obstn [K41] for depth 17 meters 12°13′48″S 49°19′49″E Change Height of light to 47m 12°13′58″S 49°21′57″E Add Depth 25 meters Obstn [K41] 12°15′01″S 49°18′19″E (12(155)16, 9(152)18 Brest; FRA CH 7681)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 10/23/10
Reference information — always verify against official Notices to Mariners before navigation.