Overview
- The helicopter went down around 11 a.m. in mountainous terrain near Telegraph Canyon east of the Phoenix metro.
- Federal authorities confirmed four people were on board, and officials have not released their conditions.
- The FAA and NTSB opened an investigation, and the NTSB is designated to provide updates on findings.
- Pinal County officials said crews are working to access the remote crash site as details remain limited.
- Local reports say the flight departed Pegasus Airpark in Queen Creek, and a temporary flight restriction is in place over the area.