Chart correction 4977 — chart 3638

Chart 3638 [ previous update 4008/23 ] WGS84 DATUM Insert the accompanying block, centred on: 46° 29´·9N., 1° 47´·5W. Delete Ð(35) 46° 29´·465N., 1° 46´·057W. 50 SPAIN - North Coast - Light-beacons. Source: Spanish Notice 42/285/24

Source: UKHO Admiralty Notices to Mariners

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