Chart correction 1/21 — chart 54421

54421 6Ed. 3/17/01 LAST NM 44/20 1/21 Substitute Depth 11.6 meters enclosed by depth contour (20-meter) for 27 meters 36°48′23″N 28°14′27″E Add Dangerous wreck [K28] 36°49′11″N 28°18′00″E Dangerous wreck [K28] 36°49′29″N 28°18′04″E (46(154)20 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 3/17/01

Reference information — always verify against official Notices to Mariners before navigation.