Chart correction N11/23 — chart 54421

54421 7Ed. 09/25/21 LAST NM N33/22 N11/23 Substitute Depth 31 meters for depth 42 meters 36°44′35″N 28°55′57″E (42(170)22 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 09/25/21

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