Chart correction 4232* — chart 1409
Chart 1409 (INT 1504) [ previous update 3627/23 ] ETRS89 DATUM Insert 36, Obstn Subm buoy (a) 56° 33´·35N., 1° 39´·79W. Delete 36,Obstn Subm buoy, close W of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.