Chart correction 145 — chart 2427

Chart 2427 [ previous update 5897/19 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 42° 28´·41N., 70° 55´·43W.

Source: UKHO Admiralty Notices to Mariners

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