Chart correction N4/20 — chart 54166
54166 4Ed. 2/25/17 LAST NM N52/19 N4/20 Substitute Depth 9 meters for 9.6 meters 45°24′50.8″N 12°26′01.5″E (8(13)18 Genova)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 2/25/17
Reference information — always verify against official Notices to Mariners before navigation.