# Accident 20040417009189A: Amtr PROSPECTOR, Gibbonsville, ID, April 17, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 17, 2004, 12:30 local time
- Place: Gibbonsville, ID
- Damage: Destroyed
- Phase of flight: Low Level Operations
- Operating rules: General operating rules (Part 91)
- Location: 45.6906° N, 113.9469° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=45.6906&lon=-113.9469&mi=10
- Aircraft: N5XK, a cancelled registration (https://openairdocs.org/deregistered/N5XK-2005-11-01) (OpenAirDocs)
- Registry model: Keller Fred H PROSPECTOR (registry code 0563012, https://openairdocs.org/model/keller-fred-h-prospector) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: AMTR PROSPECTOR
- Fatal injuries: 0
- Pilot flight hours: 3,300 total, 600 in this make and model, 40 in the last 90 days
- NTSB investigation: [NTSB SEA04LA071](https://openairdocs.org/ntsb/SEA04LA071) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040417009189A

## Narrative

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

(-23) ON 04-17-04 AT 1230 PM N5XK WITH TWO PERSONS ABOARD COLLIDED INTO THE FORESTED TERRAIN NEAR LOST TRAIL PASS, COMING TO REST .5 MILES SOUTH OF THE IDAHO AND MONTANA STATE LINE. THIS AIRCRAFT WAS NUMBER THREE OF A FLIGHT OF THREE. THE FLIGHT ORIGINATED FROM STEVENSVILLE, MONTANA APPROXIMATELY ONE HOUR PRIOR TO THE ACCIDENT. THE DESTINATION WAS JACKPOT, NEVADA VIA SALMON, AND TWIN FALLS, IDAHO. DURING THE FLIGHT THE WEATHER CONDITIONS BEGAN TO DETERIORATE AS THE FLIGHT REACHED IDAHO. LOW CEILINGS AND SNOWING CONDITIONS WERE ENCOUNTERED AS THE GROUP CROSSED OVER LOST TRAIL PASS, THE FIRST TWO AIRCRAFT EXECUTED 180 DEGREE TURNS AND RETURNED TO THE MONTANA SIDE. THE PILOT REPORTED THAT WHILE MANEUVERING THROUGH THE PASS HE ALSO OBSERVED THE DETERIORATING WEATHER AND THAT THE OTHER TWO AIRCRAFT HAD TURNED AROUND. HE APPLIED POWER AND BEGAN TO TURN AROUND. HE STATED THAT HIS ENGINE WAS NOT DEVELOPING POWER DUE TO CARBURETOR ICE, AS HE WAS MANEUVERING THE AIRCRAFT STALLED AND COLLIDED WITH THE FORESTED TERRAIN.

## 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 SEA04LA071](https://openairdocs.org/ntsb/SEA04LA071), Apr 17, 2004: Keller Prospector FK1 (N5XK), Gibbonsville, ID, substantial damage. Probable cause: The pilot's failure to apply carburetor heat in icing conditions which resulted in a loss of engine power while in cruise flight. Factors contributing to the accident are unsuitable terrain for an…

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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