Chart correction 4512* — chart 1977
Chart 1977 [ previous update 3004/26 ] ETRS89 DATUM Delete 24,û Obstn 53° 25´·78N., 4° 16´·36W. 25,û Obstn 53° 26´·12N., 4° 12´·89W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.