Chart correction 4574 — chart 1406
Chart 1406 [ previous update 4409/23 ] WGS84 DATUM Insert depth, 164 , and extend 20m contour NW to enclose 51° 54´·25N., 3° 45´·62E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.