ASN Wikibase Occurrence # 352577
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| Date: | Saturday 30 October 1999 |
| Time: | 18:00 LT |
| Type: |  Cessna 210K |
| Owner/operator: | Private |
| Registration: | N1162M |
| MSN: | 21059242 |
| Year of manufacture: | 1969 |
| Total airframe hrs: | 3895 hours |
| Engine model: | Continental IO-520-L |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ponca City, OK -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lubbock, TX (KLBB) |
| Smyrna, TN (KMQY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise flight, the pilot retarded the throttle to initiate a descent, intending to reduce manifold pressure from 24 inches to 21 inches. As the manifold pressure dropped below 21 inches, the pilot increased the throttle; however, the manifold pressure continued to decrease until the needle reached the lowest reading on the gauge. The pilot exercised the throttle through its full range, but received no response from the engine. He then executed a forced landing to a muddy field. Postaccident examination of the airplane revealed that the throttle cable had separated. The cable was examined at the NTSB Materials Laboratory and it was determined that the cable failed as result of fatigue cracking. The outer coiled spring housing, in which fatigue was observed, had a coarse texture and contained tool marks and surface fissures. The origin of the fatigue was observed at one of the fissures. There was no corrosion or deposits observed on the exterior surface of the cord. The throttle cable had been installed new 71.3 hours prior to the accident.
Probable Cause: Inadequate quality control by the manufacturer of the throttle control cable, which resulted in failure of the cable due to fatigue. A factor was the lack of suitable terrain for the forced landing.
Accident investigation:
 |
|
Sources:
NTSB FTW00LA028
History of this aircraft
Other occurrences involving this aircraft
| 19 February 2007 | N1162M | Private | 1 | Lago Vista, TX | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 08:25 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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