Chart correction N19/23 — chart 55023
55023 1Ed. 07/27/19 LAST NM N15/23 N19/23 Delete Depth 25.5 meters Wk 40°10′45.6″N 26°23′59.2″E Depth 1.9 meters Wk 40°11′14.1″N 26°24′14.2″E Substitute Depth 91 meters Wk [K26] for wreck 40°12′12.5″N 26°23′31.1″E Depth 75 meters Wk [K26] for depth 80 meters Wk 40°11′51.5″N 26°23′03.4″E Add Depth 47 meters Wk [K26] 40°10′25.7″N 26°23′57.4″E (11(55)23 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 07/27/19
Reference information — always verify against official Notices to Mariners before navigation.