Chart correction N23/21 — chart 54482

54482 1Ed. 9/27/14 LAST NM N20/21 N23/21 Delete Depth 5.5 meters 36°44′29.9″N 36°11′16.1″E Add Depth 4.1 meters 36°44′44.3″N 36°11′06.2″E Depth 3.6 meters 36°44′35.5″N 36°11′08.9″E Depth 4.8 meters 36°44′29.0″N 36°11′13.8″E and extend depth contour (5-meter) W to enclose above depths (3) (11(44)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 9/27/14

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