Chart correction N17/20 — chart 55045
55045 3Ed. 7/28/12 LAST NM N5/20 N17/20 Substitute Depth 24 meters for 26 meters 40°22′53″N 27°49′23″E (7(36)19 Istanbul; UKHO ARCS 1004-0)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 7/28/12
Reference information — always verify against official Notices to Mariners before navigation.