Chart correction 1723* — chart 3490
Chart 3490 (INT 1643) (Panel A, Seaforth to Tranmere) [ previous update New Edition 19/02/2026 ] ETRS89 DATUM Replace depth, 9, with depth, 82 53° 24´·053N., 3° 00´·617W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.