Chart correction 5661 — chart 497
Chart 497 (Panel A, Tuzla to İzmit) [ previous update 5556/25 ] WGS84 DATUM Insert ^ 40° 48´·35N., 29° 19´·23E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.