Chart correction 1904 — chart 497
Chart 497 (Panel A, Tuzla to İzmit) [ previous update 1609/24 ] WGS84 DATUM Insert ¶ Fl(2)Y.5s3M 40° 46´·23N., 29° 43´·14E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.