Chart correction 1701 — chart 1504
Chart 1504 (INT 1510) [ previous update 988/25 ] ETRS89 DATUM Insert 29%,ÃObstn 52° 43´·90N., 3° 13´·10E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.