Chart correction 09/22 — chart 18440

★18440 31Ed. 04/01/17 LAST NM 04/22 09/22 Substitute Light "1" Fl G 4s 20ft 4M for buoy "1" 47°05.5′N 122°55.5′W (2/22 CG13) NM 9/22 SECTION I I-1.2

Source: NGA U.S. Notice to Mariners · edition: 31Ed. 04/01/17

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