Chart correction N49/20 — chart 55161

55161 2Ed. 3/19/11 LAST NM N28/20 N49/20 Add Buoy ODAS [Q58] Y, spherical, “X” topmark, Fl(3) Y 8s AIS 41°28′34″N 36°34′29″E (38(120)20 Istanbul) SECTION I NM 49/20 I-1.11

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 3/19/11

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