Chart correction 3117 — chart 721

Chart 721 [ previous update 3210/25 ] WGS84 DATUM Insert ^PA (a) 4° 42´·4S., 55° 19´·7E. Delete depth, 18, close NE of: (a) above

Source: UKHO Admiralty Notices to Mariners

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