Chart correction 4977 — chart 4813
Chart 4813 (INT 813) [ previous update 5385/24 ] WGS84 DATUM Replace 10,Subm buoy with 7&+Subm buoys 56° 51´·6N., 164° 03´·3W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.