Chart correction 4520* — chart 5617_1
Chart 5617_1 [ previous update 3862/26 ] ETRS89 DATUM Insert 8%+ Subm Buoy (a) 56° 23´·72N., 2° 38´·63W. Delete 16Ó, Obstn, close S of: (a) above depth, 205, close E of: (a) above Insert + Subm Buoy 56° 25´·92N., 2° 38´·49W. Replace 14%, Obstn with 4!+ Subm Buoy 56° 28´·97N., 2° 38´·01W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.