Chart correction 4574 — chart 1630
Chart 1630 (INT 1416) [ previous update 4526/23 ] WGS84 DATUM Insert depth, 164 , enclosed by 20m contour 51° 54´·25N., 3° 45´·62E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.