Chart correction 2127 — chart 1256
Chart 1256 [ previous update 2054/23 ] WGS84 DATUM Insert symbol, Virtual aid to navigation, east cardinal topmark, V-AIS 40° 05´·8N., 121° 03´·7E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.