Chart correction 477 — chart 2687
Chart 2687 [ previous update 4019/25 ] UNDETERMINED DATUM Insert Df;Fl (5)Y.20s 6° 57´·92N., 57° 48´·56W. Wk05/26 II 2.34
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.