Chart correction 1857* — chart 30

Chart 30 (INT 1722) [ previous update 5772/25 ] ETRS89 DATUM Insert the accompanying block, centred on: 50° 21´·9N., 4° 07´·9W.

Source: UKHO Admiralty Notices to Mariners

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