Chart correction 145 — chart 2456

Chart 2456 [ previous update 4481/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 41° 42´·22N., 70° 48´·13W.

Source: UKHO Admiralty Notices to Mariners

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