Chart correction 344 — chart 224
Chart 224 (Panel, Continuation to İzmit) [ previous update 4932/24 ] WGS84 DATUM Insert depth, 177, and extend 30m contour S to enclose (a) 40° 42´·8N., 29° 26´·8E. Delete depth, 245, close N of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.