Chart correction 46/21 — chart 18421

★18421 53Ed. 03/01/19 LAST NM 45/21 46/21 Add AIS [S17.2] to buoy "C" 48°40′34″N 122°42′48″W Obscured sector 068°-084° with legend "LT OBSC" to light 48°19′14″N 122°49′51″W (38/21 CG13)

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

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