Chart correction N16/21 — chart 19379
★19379 4Ed. 11/9/19 LAST NM N6/20 N16/21 Add Danger circle “Obstn Rep (2021)” [K40] (PA) 21°21.4′N 158°08.4′W (NOS) ★19380 15Ed. 10/03 LAST NM 44/19 16/21 Add Danger circle “Obstn Rep (2021)” [K40] (PA) 21°21.4′N 158°08.4′W (NOS)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 11/9/19
Reference information — always verify against official Notices to Mariners before navigation.