Chart correction 2117* — chart 1607
Chart 1607 (INT 1562) [ previous update 1880/24 ] ETRS89 DATUM Insert depth, 82 (a) 51° 29´·44N., 1° 09´·14E. Delete depth, 77, close NW of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.