Chart correction 4912 — chart 3451

Chart 3451 [ previous update 4428/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 40° 47´·330N., 73° 56´·959W.

Source: UKHO Admiralty Notices to Mariners

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