Chart correction 4977 — chart 1662
Chart 1662 (INT 1952) [ previous update 3371/24 ] WGS84 DATUM Insert the accompanying block, centred on: 16° 05´·2N., 16° 46´·8W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.