Chart correction N47/20 — chart 54387
54387 8Ed. 4/30/16 LAST NM N45/20 N47/20 Add Light Fl Y 5s to buoy 38°24′11″N 27°04′49″E (39(126)20 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 4/30/16
Reference information — always verify against official Notices to Mariners before navigation.