Chart correction 3983 — chart 1661

Chart 1661 (INT 1951) [ previous update 3371/24 ] WGS84 DATUM Insert depth, 55 (a) 20° 21´·2N., 17° 32´·3W. Delete depth, 63, close NW of: (a) above Insert depth, 78 , and extend 100m contour S to enclose (b) 20° 00´·7N., 17° 31´·8W. Delete depth, 80, close NW of: (b) above

Source: UKHO Admiralty Notices to Mariners

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