Chart correction 3513 — chart 4272
Chart 4272 [ previous update 5263/24 ] WGS84 DATUM Insert î A, centred on: (a) 41° 48´·13S., 73° 15´·70W. Delete ½, close S of: (a) above Insert î C, centred on: 41° 48´·60S., 73° 12´·87W. depth, 149, enclosed by 20m contour (b) 41° 48´·06S., 73° 12´·16W. Delete depth, 171, and associated 20m contour close SW of: (b) above Insert î B, centred on: (c) 41° 47´·97S., 73° 11´·97W. Delete ½, close NE of: (c) above Wk30/26 II 2.35
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.