Chart correction 30/21 — chart 54418

54418 4Ed. 10/5/96 LAST NM 30/20 30/21 Add Entry prohibited area [N2.2] bound by shore and purple composite line joining 37°02′59″N 27°12′16″E 37°02′52″N 27°12′21″E 37°02′45″N 27°12′18″E 37°02′41″N 27°12′10″E 37°02′41″N 27°12′01″E 37°02′48″N 27°11′49″E 37°02′53″N 27°11′46″E 37°03′04″N 27°11′49″E 37°03′08″N 27°11′57″E 37°03′07″N 27°12′09″E 37°03′04″N 27°12′12″E (19-20(78)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 10/5/96

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