Chart correction 664 — chart 820

Chart 820 (INT 1238) [ previous update 314/25 ] WGS84 DATUM Insert 1$+Wk 59° 22´·28N., 18° 15´·52E. 3)+Wk 59° 22´·18N., 18° 15´·50E.

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.