Chart correction N01/23 — chart 54380
54380 7Ed. 12/15/12 LAST NM N39/22 N01/23 Substitute Beacon BRB, double ball topmark, Fl(2) W 10s 10m 5M AIS [Q130.4] for light 38°36.9′N 26°44.6′E (38(147)22 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 12/15/12
Reference information — always verify against official Notices to Mariners before navigation.