Chart correction 1368 — chart 4939
Chart 4939 [ previous update 1923/25 ] NAD83 DATUM Insert the accompanying block, centred on: 53° 55´·2N., 128° 45´·1W. Delete 40, ODAS/SADO 53° 24´·25N., 128° 54´·00W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.