Chart correction 4181* — chart 3683

Chart 3683 [ previous update 3722/25 ] ETRS89 DATUM Insert depth, 105 (a) 51° 27´·963N., 0° 48´·330E. Delete depth, 112, close E of: (a) above Insert depth, 104 (b) 51° 28´·000N., 0° 48´·567E. Delete depth, 11, close SW of: (b) above

Source: UKHO Admiralty Notices to Mariners

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