Chart correction 3977 — chart 1201
Chart 1201 [ previous update 3714/24 ] CGCS 2000 DATUM Insert symbol, Virtual aid to navigation, isolated danger topmark, V- AIS 34° 34´·50N., 119° 51´·60E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.