Chart correction N17/23 — chart 53180
53180 11Ed. 07/25/15 LAST NM N11/23 N17/23 Substitute Depth 165 meters Wk [K26] for wreck 38°17.5′N 15°40.2′E Depth 41 meters Wk [K26] for depth 35 meters Wk 38°17.0′N 15°37.1′E (6(9)23 Genova)
Source: NGA U.S. Notice to Mariners · edition: 11Ed. 07/25/15
Reference information — always verify against official Notices to Mariners before navigation.