Chart correction 13/24 — chart 18421

★18421  53Ed.  03/01/19  LAST  NM  04/24  13/24 Delete Racon from buoy "1"   48°22′01″N  123°02′11″W Add Superbuoy Y, Fl(5) Y with legend "ODAS" [Q58]   48°38′13″N  123°23′17″W (9/24 CG13; 2/24 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 53Ed. 03/01/19

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