Chart correction 42/23 — chart 51240
51240 2Ed. 09/08/84 LAST NM 20/23 42/23 Add Buoy Y, can, "X" topmark, Fl(5) Y 20s AIS with legend "ODAS" [Q58] 32°11.6′N 9°17.4′W (39(154)23 Brest)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 09/08/84
Reference information — always verify against official Notices to Mariners before navigation.