# Accident 20210811013679A: Cessna 425, Helena, MT, August 11, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 11, 2021, 09:05 local time
- Place: Helena, MT
- Damage: Substantial damage
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 46.7403° N, 111.9442° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.7403&lon=-111.9442&mi=10
- Aircraft: N783MB, registered now (https://openairdocs.org/aircraft/N783MB) (OpenAirDocs)
- Registry model: Cessna 425 (registry code 2076018, https://openairdocs.org/model/cessna-425) (OpenAirDocs)
- Registry engine: Pratt & Whitney PT6A series (registry code 52032, https://openairdocs.org/engine/pratt-whitney-pt6a-series) (OpenAirDocs)
- Reported make and model: CESSNA 425
- Reported engine: P&W PT6A SER
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 3
- Pilot certificates: Private pilot
- Pilot flight hours: 5,751 total
- NTSB investigation: [NTSB WPR21LA313](https://openairdocs.org/ntsb/WPR21LA313) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210811013679A

## Narrative

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

ON AUGUST 11, 2021 AT 0905 MST, A CESSNA CE-425, N783MB ^PRIVACY DATA OMITTED^, LOST ENGINE POWER AND CRASHED INTO TREES APPROXIMATELY 9 MILES NORTH OF HELENA, MONTANA WHILE ON A PART 91 BUSINESS FLIGHT. VISUAL METROLOGICAL CONDITIONS PREVAILED AT THE TIME, AND AN IFR FLIGHT PLAN WAS FILED. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. THE PRIVATE PILOT AND HIS TWO PASSENGERS WERE SERIOUSLY INJURED. THE FLIGHT ORIGINATED AT FARIBAULT MUNICIPAL AIRPORT, MN (FBL) AND PLANNED DESTINATION WAS MISSOULA INTERNATIONAL AIRPORT, MONTANA (MSO).

## 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 WPR21LA313](https://openairdocs.org/ntsb/WPR21LA313), Aug 11, 2021: Cessna 425 (N783MB), Helena, MT, substantial damage. Probable cause: A flameout of both engines due to fuel starvation for reasons that could not be determined due to the airplane’s damage.

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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