Chart correction 4722 — chart 4915

Chart 4915 [ previous update 2281/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 39° 56´·63N., 123° 34´·12W.

Source: UKHO Admiralty Notices to Mariners

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