Chart correction N21/22 — chart 51163
51163 5Ed. 12/03/16 LAST NM N26/21 N21/22 Substitute Light "Plancha del Ray" Dir Iso R 4s 15m 5M for beacon "Plancha del Ray" 36°50′11.3″N 6°21′35.8″W Light Fl(4) Y 11s 11m 3M for beacon 36°50′19.1″N 6°21′33.9″W (15(120)22 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 12/03/16
Reference information — always verify against official Notices to Mariners before navigation.