Chart correction 11/21 — chart 55100
55100 8Ed. 1/23/99 LAST NM 8/21 11/21 Add Wreck [K29] 41°25.0′N 31°38.2′E Buoy Y, spherical, “X” topmark, Fl(3) Y 8s AIS with legend “ODAS” [Q58] 41°51.6′N 32°34.6′E (30(142), 41(134)20 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 1/23/99
Reference information — always verify against official Notices to Mariners before navigation.