Chart correction 4242 — chart 1631
Chart 1631 (INT 1418) [ previous update 3503/25 ] WGS84 DATUM Insert 24, Obstn 53° 14´·94N., 3° 30´·72E. 24%, Obstn 53° 13´·70N., 3° 29´·75E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.