Chart correction N52/20 — chart 51163

51163 5Ed. 12/3/16 LAST NM N27/20 N52/20 Change Shape of buoy “No 4” to can 36°45′00.1″N 6°25′29.8″W Shape of buoy “No 2” to can 36°45′05.0″N 6°25′40.1″W (45(348)20 Cadiz)

Source: NGA U.S. Notice to Mariners · edition: 5Ed. 12/3/16

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