Chart correction 5557 — chart 3237
Chart 3237 [ previous update 3038/24 ] WGS84 DATUM Insert depth, 129, enclosed by 200m contour 29° 17´·3N., 129° 17´·9E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.