Chart correction 4912 — chart 2489
Chart 2489 [ previous update 2762/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 40° 55´·01N., 70° 03´·45W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.