Chart correction 4770 — chart 1081
Chart 1081 [ previous update 685/23 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 33° 45´·764N., 118° 09´·152W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.