Chart correction N51/21 — chart 51141
51141 1Ed. 01/29/11 LAST NM N47/21 N51/21 Add Beacon "WH1" RGR, can topmark, Fl(2+1) R 6s 2M 38°27′36.3″N 8°45′51.1″W (10(318)21 Lisboa)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 01/29/11
Reference information — always verify against official Notices to Mariners before navigation.