Chart correction 4770 — chart 897

Chart 897 [ previous update 4580/22 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 32° 42´·53N., 117° 07´·28W.

Source: UKHO Admiralty Notices to Mariners

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