Chart correction 2554 — chart 2961
Chart 2961 [ previous update 6313/19 ] UNDETERMINED DATUM Insert the accompanying block A, centred on: 68° 18´·5N., 54° 21´·0E. Wk23/24 II 2.7
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.