Chart correction 4722 — chart 4913

Chart 4913 [ previous update 3684/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 36° 38´·68N., 121° 09´·44W.

Source: UKHO Admiralty Notices to Mariners

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