Chart correction 20/21 — chart 54363

54363 3Ed. 7/14/84 LAST NM 8/21 20/21 Add “Restricted Area” [N2.1] bound by purple composite line joining 40°03.2′N 26°08.6′E 40°02.6′N 26°10.1′E 40°02.4′N 26°11.4′E 40°00.4′N 26°11.6′E 39°59.7′N 26°10.9′E 39°58.9′N 26°08.7′E (7(26)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 7/14/84

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