Chart correction 25/20 — chart 52117
52117 1Ed. 11/11/06 LAST NM 47/19 25/20 Delete Beacon 41°04′01″N 1°11′00″E Beacon 41°04′57″N 1°11′46″E Add Buoy BYB, pillar, double cone topmark bases together, VQ(3) 5s [Q130.3] 41°04′00″N 1°11′02″E Buoy BYB, pillar, double cone topmark bases together, VQ(3) 5s [Q130.3] 41°04′56″N 1°11′48″E (20(156)20 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 11/11/06
Reference information — always verify against official Notices to Mariners before navigation.