Chart correction 4000* — chart 2159
Chart 2159 (Panel, Strangford and Portaferry) [ previous update 943/23 ] ETRS89 DATUM Insert C]bQ(2)G.10s Black Boat Perch 54° 22´·268N., 5° 32´·571W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.