Chart correction 840* — chart 1826
Chart 1826 (INT 1607) [ previous update 5431/25 ] ETRS89 DATUM Amend The Skerries light to, Fl(2)15s18M Iso.R.4s10M (a) 53° 25´·27N., 4° 36´·52W. fog signal to, Horn(1)30s, at light (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.