ASN Wikibase Occurrence # 144546
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| Date: | Wednesday 21 March 2012 |
| Time: | 09:30 |
| Type: |  Beechcraft 35-C33 Debonair |
| Owner/operator: | Private |
| Registration: | N866P |
| MSN: | CD-1023 |
| Total airframe hrs: | 5862 hours |
| Engine model: | Continental IO-470N |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | County Road 5 near Peach Springs, AZ -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | St. George, UT (SGU) |
| Mesa, AZ (FFZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, while in cruise flight, the engine’s exhaust gas temperature was hotter than normal and that the fuel flow was lower than normal. Suddenly, all engine power was lost and despite multiple attempts, he was unable to restart the engine. During the subsequent forced landing, the pilot landed the airplane gear up on a road. Postaccident examination of the engine revealed that the mixture control arm was loose on the control shaft and the nut that secured the control arm to the shaft was loose. The mixture control arm machined chamfer had formed splines and exhibited deformation and movement of material. The nut and control arm mating surfaces showed corresponding rub marks. It is likely that the loose mixture control arm and the vibration of the engine allowed for the mixture control shaft to rotate to an idle cut-off position, thus resulting in the loss of engine power. No evidence of any additional mechanical malfunctions was found during the engine examination.
Probable Cause: The total loss of engine power due to the loose mixture control arm.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: https://www.faa.gov/data_research/accident_incident/preliminary_data/events01/media/06_866P.txt
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=866P&x=0&y=0
http://www.fox5vegas.com/story/17232857/plane-makes-emergency-landing-north-of-grand-canyon
https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20120327X44242&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2012 16:15 | Geno | Added |
| 23-Mar-2012 09:32 | Geno | Updated [Location, Destination airport, Source, Narrative] |
| 03-Apr-2012 13:21 | Geno | Updated [Time, Departure airport, Source, Damage, Narrative] |
| 26-Sep-2012 07:53 | Anon. | Updated [Aircraft type, Source, Narrative] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:28 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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