Chart correction N33/20 — chart 51260
51260 5Ed. 7/16/16 LAST NM N31/17 N33/20 Delete Buoy 28°11.5′N 15°47.5′W Add Superbuoy ODAS [Q58] Y, Q(5) Y 20s 28°11.1′N 15°48.4′W (28(221)20 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 7/16/16
Reference information — always verify against official Notices to Mariners before navigation.