# Accident 20110722015599A: Cessna 210-5(205), Darby, MT, July 22, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 22, 2011, 12:25 local time
- Place: Darby, MT
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 45.8833° N, 114.2000° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=45.8833&lon=-114.2000&mi=10
- Aircraft: N8427Z, a cancelled registration (https://openairdocs.org/deregistered/N8427Z-2014-03-11) (OpenAirDocs)
- Registry model: Cessna 210-5(205) (registry code 2073202, https://openairdocs.org/model/cessna-210-5-205) (OpenAirDocs)
- Registry engine: Continental I0-470 series (registry code 17027, https://openairdocs.org/engine/continental-i0-470-series) (OpenAirDocs)
- Reported make and model: CESSNA 210-5(205)
- Reported engine: CONT MOTOR I0-470 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- Pilot certificates: Commercial pilot
- Pilot flight hours: 7,521 total, 7,107 in this make and model, 70 in the last 90 days
- NTSB investigation: [NTSB WPR11FA348](https://openairdocs.org/ntsb/WPR11FA348) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110722015599A

## Narrative

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

ON JULY 22, 2011, AT 1225 MDT, A CESSNA 210-5, N8427Z, REGISTERED TO ^PRIVACY DATA OMITTED^, STRUCK A TREE WHILE EXECUTING A FORCED LANDING APPROXIMATELY 25 MILES SW OF DARBY, MONTANA, WHILE ON A PERSONAL FLIGHT. VISUAL METEOROLOGICALCONDITIONS PREVAILED AT THE TIME, AND NO FLIGHT PLAN WAS FILED. THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED, AND THE COMMERCIAL PILOT AND PASSENGER SUSTAINED MINOR INJURIES. THE FLIGHT ORIGINATED AT LEMHI COUNTY AIRPORT, SALMON, IDAHO, ON JULY 22, 2011, AT 1155 MDT.

## 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 WPR11FA348](https://openairdocs.org/ntsb/WPR11FA348), Jul 22, 2011: Cessna 210-5(205) (N8427Z), Darby, MT, substantial damage. Probable cause: The fatigue failure of the aluminum air intake duct, which resulted in material being ingested into the engine cylinders and a subsequent loss of engine power during cruise flight.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.