Chart correction N29/23 — chart 53100

53100  18Ed.  02/14/15  LAST  NM  N08/23  N29/23 Delete Purple composite-line circle and legend "Historic Wk SEE NOTE" in vicinity   43°47.2′N  9°40.0′E Add Buoy Y, spherical, Fl(5) Y 20s with legend "ODAS" [Q58]   43°37.0′N  10°00.0′E Purple composite-line circle [N2.1], radius 0.6 mile, with legend "Historic Wk SEE NOTE", centered   43°46.2′N  9°40.1′E (1(4)21, 5(4)23 Genova; ITA CH 4)

Source: NGA U.S. Notice to Mariners · edition: 18Ed. 02/14/15

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