Chart correction 8/20 — chart 54400
54400 8Ed. 6/2/90 LAST NM 4/20 8/20 Add Depth 50 meters enclosed by depth contour (50-meter) centered 37°10.0′N 27°19.6′E (TUR CH 224)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 6/2/90
Reference information — always verify against official Notices to Mariners before navigation.