Chart correction N31/23 — chart 61212
61212 4Ed. 03/19/16 LAST NM N28/23 N31/23 Delete Depth 14.9 meters 4°03′35.4″S 39°35′50.8″E Change Color of front range light to R 4°03′40.1″S 39°38′28.8″E Color of rear range light to R 4°03′34.9″S 39°38′22.2″E (See N28/23) Add Depth 13.5 meters 4°03′36.8″S 39°35′50.6″E (UKHO ARCS 666-0)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 03/19/16
Reference information — always verify against official Notices to Mariners before navigation.