Chart correction 4728 — chart 3187
Chart 3187 (Panel 1) [ previous update 2307/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 29° 43´·447N., 94° 59´·947W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.