Chart correction N11/21 — chart 57488
57488 7Ed. 2/6/10 LAST NM N9/21 N11/21 Add “10.4m” area [I21] bound by shore and dashed line joining 33°54′10.1″S 18°25′24.4″E 33°54′14.5″S 18°25′29.2″E 33°54′16.4″S 18°25′26.8″E 33°54′12.3″S 18°25′22.1″E 33°54′11.4″S 18°25′23.2″E and delete all hydrography within above area (ZAF CH 1014)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 2/6/10
Reference information — always verify against official Notices to Mariners before navigation.