Chart correction 439 — chart 3633

Chart 3633 (INT 1809) [ previous update 3833/24 ] WGS84 DATUM Insert the accompanying block, centred on: 42° 45´·1N., 9° 00´·8W.

Source: UKHO Admiralty Notices to Mariners

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