Chart correction 4053 — chart 3990

Chart 3990 [ previous update 3707/23 ] WGS84 DATUM Insert symbol, islet, Noi Dune, enclosed by danger line, dotted line, centred on: 19° 52´·3N., 106° 04´·4E.

Source: UKHO Admiralty Notices to Mariners

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