Chart correction 4728 — chart 3183

Chart 3183 [ previous update 3489/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 29° 21´·05N., 94° 17´·62W.

Source: UKHO Admiralty Notices to Mariners

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