ASN Wikibase Occurrence # 294511
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| Date: | Sunday 12 September 2004 |
| Time: | 13:20 LT |
| Type: | Claxton S-12 |
| Owner/operator: | Private |
| Registration: | UNREG |
| MSN: | 0991124 |
| Engine model: | Rotax 582 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Oconomowoc, Wisconsin -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Oconomowoc, WI (KPVT) |
| Sturtevant, WI (C89) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The un-registered airplane was destroyed when it impacted the ground following an engine failure after takeoff. The non-certificated pilot was fatally injured. A witness reported seeing the airplane and hearing the engine "quit". The airplane then made a series of gliding turns before it impacted into a marsh. The witness did not see the impact. Examination of the airplane showed no anomalies with respect to the airframe or control system. The engine's pistons exhibited scuffing and scoring indicative of a seizure. The marks on the piston contained carbon deposits indicating that the engine had experienced a seizure prior to the accident flight that had not been repaired.
Probable Cause: The loss of engine power due to the seizure of the pistons and the pilot's failure to maintain airspeed which resulted in an inadvertent stall. The previous damage to the pistons due to earlier seizure occurrences was a factor.
Accident investigation:
 |
|
Sources:
NTSB CHI04LA256
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Oct-2022 19:04 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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