Chart correction 4777 — chart 4403
Chart 4403 (INT 403) [ previous update 3774/26 ] WGS84 DATUM Insert + Obstn PA Rep (2026) 42° 45´·9N., 66° 21´·8W. Wk42/26 II 2.39
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.