Chart correction N23/21 — chart 55049

★55049 7Ed. 3/16/13 LAST NM N21/21 N23/21 (Panel A) Change Light to Fl(2) Y 6s 3M 40°45′50.3″N 29°31′40.9″E (See N15/21) (Panel B) Add Double solid line with land tint (pier) [F14] between 40°43′48.7″N 29°48′47.2″E 40°43′47.5″N 29°48′51.3″E Light FR 40°43′47.5″N 29°48′51.3″E Double solid line with land tint (pier) [F14] between 40°43′46.8″N 29°48′46.1″E 40°43′45.5″N 29°48′50.3″E Light FR 40°43′45.5″N 29°48′50.3″E (NTM0005/2021; 3(11), 14(57)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 3/16/13

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