Chart correction N4/20 — chart 54424

54424 2Ed. 9/22/18 LAST NM N4/19 N4/20 Add Dangerous wreck [K28] 36°48′26.3″N 28°15′37.9″E (41(195)19 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 9/22/18

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