# Accident 20001110038869A: Cessna 425, Idaho Falls, ID, November 10, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 10, 2000, 12:15 local time
- Place: Idaho Falls, ID
- Airport: Fanning Field
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 43.5364° N, 112.0631° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.5364&lon=-112.0631&mi=10
- Aircraft: N41054, a cancelled registration (https://openairdocs.org/deregistered/N41054-2006-11-14) (OpenAirDocs)
- Registry model: Cessna 425 (registry code 2076018, https://openairdocs.org/model/cessna-425) (OpenAirDocs)
- Reported make and model: CESSNA 425
- People aboard: 2
- Fatal injuries: 2
- NTSB investigation: [NTSB SEA01FA017](https://openairdocs.org/ntsb/SEA01FA017) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20001110038869A

## Narrative

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

(-23) ON NOVEMBER 10, 2000, AT APPROX. 1215 MDT, A CESSNA 425, N41054, OPERATED BY MR. JIM D. JORGENSEN  SUSTAINED SUBSTANTIAL DAMAGE WHEN IT COLLIDES WITH TERRAIN WHILE OPERATIONALLY TESTING THE AUTO-FEATHER SYSTEM. THE ACCIDENT OCCURRED APPROX. 2 MILES NORTH OF FANNING FIELD, IDAHO FALLS, IDAHO. THE AIRLINE TRANSPORT PILOT AND AIRLINE TRANSPORT PILOT/PASSENGER WERE FATALLY INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AND NO FLIGHT PLAN HAD BEEN FILED FOR THE OPERATIONAL CHECK FLIGHT CONDUCTED UNDER TITLE 14 CFR PART 91. THE PURPOSE OF THE FLIGHT WAS TO VERIFY PROPER IN-FLIGHT OPERATION OF THE AUTO-FEATHER SYSTEM FOLLOWING MAINTENANCE WORK ON THE AUTO-FEATHER PRESSURE SWITCHES. TEH GROUND CHECK OF THE AUTO-FEATHER SYSTEM WAS SUCCESSFUL. INSPECTION OF THE ACCIDENT SITE REVEALED THE LEFT PROPELLER HAD SEPARATED FROM THE LEFT ENGINE AND APPEARED TO BE IN THE FEATHERED POSITION. THE RIGHT PROPELLER WAS STILL MOUNTED TO THE RIGHT ENGINE LESS ONE BLADE, WHICH WAS BURIED APPROX. EIGHT INCHES IN THE FROZEN GROUND. THE COCKPIT AUTO-FEATHER SWITHC WAS FOUND IN THE OFF POSITION. BOTH PROPELLER LEVERS WERE FOUND IN THE FULL FORWARD POSITION.

## 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 SEA01FA017](https://openairdocs.org/ntsb/SEA01FA017), Nov 10, 2000: Cessna 425 (N41054), Idaho Falls, ID, substantial damage, 2 fatal. Probable cause: The pilot-in-command's failure to maintain adequate airspeed with an asymmetric thrust condition, resulting in a loss of aircraft control. A factor was an asymmetric engine thrust condition, which…

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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