Chart correction 4727 — chart 46

Chart 46 [ previous update 1220/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 48° 03´·96N., 122° 30´·34W.

Source: UKHO Admiralty Notices to Mariners

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