Chart correction N19/23 — chart 54421

54421   7Ed.  09/25/21  LAST  NM  N11/23  N19/23 Change Light to Iso Y 3s 8m 3M   36°37′25″N  29°06′18″E (10(52)23 Istanbul)

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

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