ASN Wikibase Occurrence # 176408
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| Date: | Saturday 17 April 2004 |
| Time: | 12:00 |
| Type: | Keller Prospector FK1 |
| Owner/operator: | Private |
| Registration: | N5XK |
| MSN: | 002 |
| Total airframe hrs: | 618 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gibbonsville, ID -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Stevensville, MT (32S) |
| Jackpot, NV (06U) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
In a written statement the pilot reported that approximately 10 miles south of Lost Trail Pass he decided to turn back due to deteriorating weather ahead. The pilot stated that during the turn he lost track of the two other aircraft that made up the flight of three. The pilot stated he was "trying to locate [the] other two A/C [aircraft] to the exclusion of the engine instruments". The pilot stated that as the airplane reached the summit he added power "as I was too low." Concurrent with the increase in power, the engine quit. The pilot maneuvered the airplane in an effort to avoid rising terrain, however, during the maneuver the airplane collided with multiple trees eventually impacting terrain in an inverted position. The pilot rated passenger reported the weather conditions along the route of flight began to deteriorate, and the pilot-in-command of the accident airplane elected to return to Stevensville. The passenger reported that shortly after making the decision to return, the airplane's engine began to lose power. After losing power, the airplane stalled and collided with terrain. The pilot and pilot rated passenger both indicated the loss of power was the result of carburetor ice. The pilot was operating the airplane in moderate snow showers. The pilot's written report indicated the outside air temperature was approximately 35 degrees Fahrenheit.
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 emergency landing , trees and mountainous terrain.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040422X00502&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-May-2015 17:41 | Noro | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 17:53 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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