ASN Wikibase Occurrence # 234116
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| Date: | Monday 16 March 2020 |
| Time: | 16:20 LT |
| Type: |  Piper PA-22-108 Colt |
| Owner/operator: | Private |
| Registration: | N4837Z |
| MSN: | 22-8411 |
| Year of manufacture: | 1961 |
| Engine model: | Lycoming O-235 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Ralph Wenz Field Airport (KPNA), WY -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Pinedale-Ralph Wenz Field, WY (PWY/KPNA) |
| Pinedale-Ralph Wenz Field, WY (PWY/KPNA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student pilot reported that he was drifting to the right while on approach to land when the flight instructor took over controls. The flight instructor reported that he applied rudder control inputs; however, the rudder pedals didn't move for about 6 to 7 seconds and the airplane did not align with the runway.
The flight instructor reported that he thought that the glareshield mounted tachometer timing box could have been trapped behind the rudder pedals. The tachometer timing box was located at the accident site and had been thrown from the wreckage. A portion of the instrument panel mounted tachometer housing was found behind the rudder pedals. Further examination of the tachometer gauge revealed damage consisted with impact damage as a result of the accident and did not appear to have interfered with the movement of the rudder pedals.
Examination revealed no anomalies with the airframe that would have precluded normal operation. Multiple examinations of the rudder system did not reveal any evidence of a rudder malfunction or jam.
Probable Cause: A loss of airplane control during approach for reasons that could not be determined based on available evidence.
Accident investigation:
 |
|
Sources:
NTSB WPR20LA110
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N4837Z
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2020 21:16 | Geno | Added |
| 17-Mar-2020 22:43 | RobertMB | Updated [Time, Nature, Source, Narrative] |
| 17-Mar-2020 23:41 | Captain Adam | Updated [Source] |
| 07-Apr-2020 19:15 | Captain Adam | Updated [Phase, Departure airport, Destination airport, Narrative] |
| 01-Jul-2022 14:19 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
| 01-Jul-2022 14:22 | harro | Updated [Location, Departure airport, Destination airport, Source, Narrative] |
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