Chart correction 5228 — chart 4977
Chart 4977 [ previous update 2822/24 ] NAD83 DATUM Insert GFl.Y.4s KUM-2A 56° 15´·7N., 164° 33´·4W. Replace GBSPR-2A with GFl.Y.4s BSPR-2A 56° 52´·7N., 164° 03´·6W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.