Chart correction N13/22 — chart 55049
55049 7Ed. 03/16/13 LAST NM N12/22 N13/22 (Panel A) Delete Buoy and legend "(4 buoys)" 40°45′09.0″N 29°21′32.4″E (See N32/21) (4(18)22 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 03/16/13
Reference information — always verify against official Notices to Mariners before navigation.