Chart correction N31/23 — chart 51109

51109   6Ed.  09/08/12  LAST  NM  N23/23  N31/23 (Plan) Add Light Q(4) R 6s   41°08′25.3″N  8°36′34.7″W Light Q(4) G 6s   41°08′22.6″N  8°36′33.8″W Light Iso W 2s   41°08′23.9″N  8°36′34.3″W (5(165)23 Lisboa; PRT LL)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 09/08/12

Reference information — always verify against official Notices to Mariners before navigation.