Chart correction 1816 — chart 1738
Chart 1738 [ previous update 1629/23 ] CGCS 2000 DATUM Delete symbol, blue and yellow emergency wreck marking buoy, Al.Oc.BuY.3s No 2 28° 48´·04N., 122° 02´·79E. symbol, blue and yellow emergency wreck marking buoy, Al.Oc.BuY.3s No 1 28° 47´·87N., 122° 02´·98E. symbol, Virtual aid to navigation, isolated danger topmark, V- AIS, out of position 28° 47´·95N., 122° 02´·89E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.