FAA warned of tightrope hazard before fatal Arizona helicopter crash killed 4 OregoniansBy Joni Auden Land (OPB), Troy Brynelson (OPB) and Antonio Sierra (OPB)Jan. 4, 2026 9:22 p.m. Updated: Jan. 6, 2026 12 a.m.The helicopter crashed after it appeared to run into a recreational slackline. All four people who died were related.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up