Chart correction N16/21 — chart 19360
★19360 1Ed. 6/7/80 LAST NM N46/19 N16/21 Add Danger circle “Obstn Rep (2021)” [K40] (PA) 21°21′25.6″N 158°08′25.6″W (NOS)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 6/7/80
Reference information — always verify against official Notices to Mariners before navigation.