Chart correction 23/22 — chart 55100

55100 8Ed. 01/23/99 LAST NM 19/22 23/22 Add Depth 57 meters enclosed by dotted-line circle [I4] centered 41°16.0′N 31°11.3′E (19(99)19 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 01/23/99

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