Chart correction 3323 — chart 1256
Chart 1256 [ previous update 2785/25 ] WGS84 DATUM Insert symbol, Virtual aid to navigation, special topmark, V-AIS 40° 21´·4N., 121° 02´·5E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.