Chart correction 3121 — chart 1665
Chart 1665 [ previous update 523/25 ] CGCS 2000 DATUM Amend light to, Iso.4s 30° 33´·88N., 121° 02´·85E. 30° 33´·87N., 121° 02´·83E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.