Chart correction 1566 — chart 1398
Chart 1398 [ previous update 4916/23 ] UNDETERMINED DATUM Insert depth, 100 , enclosed by 100m contour (a) 11° 44´·92N., 93° 08´·06E. Delete depth, 464 , close NE of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.