# Accident 20250811010179A: Hiller UH-12E, Snohomish, WA, August 11, 2025

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 11, 2025, 07:45 local time
- Place: Snohomish, WA
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: Agricultural (Part 137)
- Operator: GASG
- Location: 47.9124° N, 122.1375° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=47.9124&lon=-122.1375&mi=10
- Aircraft: N703WA, registered now (https://openairdocs.org/aircraft/N703WA) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Registry engine: Lycoming VO-540 series (registry code 41534, https://openairdocs.org/engine/lycoming-vo-540-series) (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- Reported engine: ALLISON 250-C20B
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 5,000 total, 3,500 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB WPR25LA246](https://openairdocs.org/ntsb/WPR25LA246) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250811010179A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT STATED HE CROSSED UNDERNEATH POWERLINES TO CONTINUE SPRAYING PRODUCT THEN MADE A RIGHT SHARP TURN. THE PILOT STATED THAT HE WAS A LITTLE LOW AND THEN MET A SLIGHT TAILWIND CAUSING THE AGRICULTURE SPRAYER RIGHT BOOM TO IMPACT THE GROUND. THE MAIN ROTOR BLADE THEN IMPACTED THE GROUND AND SUBSEQUENTIAL THE PILOT LOST CONTROL. THE HELICOPTER THEN FLIPPED OVER ON ITS SIDE. COUNSELED PILOT TO DETERMINE HOW THEY WILL PREVENT FUTURE MISHAPS.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR25LA246](https://openairdocs.org/ntsb/WPR25LA246), Aug 11, 2025: Hiller UH-12E (N703WA), Fobes Hill, WA, substantial damage. Probable cause: The pilot’s abrupt maneuver to avoid a powerline during an aerial application flight, which resulted in the helicopter’s impact with terrain.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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