Chart correction 4808 — chart 820

Chart 820 (INT 1238) [ previous update 4508/25 ] WGS84 DATUM Insert the accompanying block, centred on: 59° 24´·2N., 18° 21´·2E.

Source: UKHO Admiralty Notices to Mariners

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