Chart correction 4727 — chart 4980

Chart 4980 [ previous update 3696/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 60° 14´·85N., 146° 05´·69W.

Source: UKHO Admiralty Notices to Mariners

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