Chart correction 1577* — chart 4020

Chart 4020 (INT 20) [ previous update 1478/25 ] WGS84 DATUM Insert sounding out of position, 70, enclosed by 200m contour (a) 9° 46´·1S., 12° 05´·6W. Delete 213-, close W of: (a) above

Source: UKHO Admiralty Notices to Mariners

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