Chart correction N17/21 — chart 22172

22172 9Ed. 11/3/12 LAST NM N16/21 N17/21 Substitute Depth 2.1 meters for 3.9 meters 12°02′27.3″S 77°08′26.0″W Add Light FR 3M 12°02′25.5″S 77°08′37.2″W Light FR 3M 12°02′32.6″S 77°08′33.2″W Light FR 3M 12°02′26.3″S 77°08′32.6″W Depth 4.2 meters enclosed by depth contour (5-meter) centered 12°02′19.8″S 77°08′33.3″W Depth 3.3 meters enclosed by depth contour (5-meter) centered 12°02′22.7″S 77°08′27.2″W (PER CH 2236)

Source: NGA U.S. Notice to Mariners · edition: 9Ed. 11/3/12

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