Chart correction 1921* — chart 5617_2
Chart 5617_2 [ previous update 1612/23 ] ETRS89 DATUM Insert depth, 22, and extend 5m approximate contour SE to enclose (a) 56° 46´·24N., 2° 22´·53W. Delete depth, 59, close SW of: (a) above Insert depth, 167 (b) 56° 46´·11N., 2° 20´·66W. Delete depth, 19, close SW of: (b) above Insert depth, 47, and extend 5m contour E to enclose (c) 56° 42´·46N., 2° 25´·85W. Delete depth, 6, close SE of: (c) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.