Chart correction 3727 — chart 4920

Chart 4920 [ previous update 2571/26 ] NAD27 DATUM Delete GfFl.Y.4s 46° 59´·2N., 124° 33´·9W. GfFl.Y.4s (2 buoys) 46° 51´·1N., 124° 57´·9W.

Source: UKHO Admiralty Notices to Mariners

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