Chart correction 4959 — chart 1661

Chart 1661 (INT 1951) [ previous update 4254/23 ] WGS84 DATUM Insert the accompanying block, centred on: 20° 45´·2N., 17° 01´·6W. Wk52/23 II 2.24

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.