Chart correction 335* — chart 1609
Chart 1609 [ previous update 3764/23 ] ETRS89 DATUM Insert +Obstn (a) 51° 31´·92N., 1° 02´·80E. Ec(3 buoys), close E of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.