Chart correction 3323 — chart 1252
Chart 1252 [ previous update 3094/25 ] CGCS 2000 DATUM Insert symbol, Virtual aid to navigation, special topmark, V-AIS 40° 21´·41N., 121° 02´·45E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.