Chart correction N22/22 — chart 51155
51155 2Ed. 07/20/13 LAST NM N42/21 N22/22 Change Period of buoy to 3s 37°05′11″N 8°34′57″W (See N31/21) (15(119)22 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 07/20/13
Reference information — always verify against official Notices to Mariners before navigation.