Chart correction 145 — chart 2490

Chart 2490 [ previous update 2267/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 43° 41´·60N., 70° 24´·31W.

Source: UKHO Admiralty Notices to Mariners

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