Chart correction 4912 — chart 2563

Chart 2563 [ previous update 3338/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 38° 36´·32N., 75° 13´·64W.

Source: UKHO Admiralty Notices to Mariners

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