ASN Wikibase Occurrence # 385436
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| Date: | Sunday 12 August 2001 |
| Time: | 15:30 LT |
| Type: |  Piper PA-28-180 |
| Owner/operator: | Private |
| Registration: | N8424W |
| MSN: | 28-2651 |
| Year of manufacture: | 1965 |
| Engine model: | Lycoming O-360-A3A |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Union, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lake In Hills, IL (3CK) |
| Lake In Hills, IL (3CK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane experienced a total gear collapse during a forced landing following an inflight separation of the propeller. The pilot reported that approximately 45 minutes after takeoff, while in cruise flight at 4,000 feet msl, the crankshaft broke and the propeller separated from the engine. He reported that the windscreen was sprayed with oil and the engine seized. He reported that he proceeded to make a forced landing at a sod farm. The pilot reported the field was being prepared for planting and the recently tilled soil was very soft. Upon touching down, the landing gear stuck in the ground and it separated from the airplane. The pilot reported that the airplane slid approximately 50 feet during which time the right wing twisted. Examination of the crankshaft revealed a fatigue crack that initiated from an oil transfer tube hole in the No. 1 main bearing journal. The airplane was involved in a propeller strike in March 1999. After the propeller strike, the engine was removed for a teardown inspection at which time the crankshaft was replaced with one that had been overhauled.
Probable Cause: The total failure of the crankshaft as a result of fatigue and the unsuitable terrain encountered during the forced landing. Factors associated with the accident were the soft terrain on which the forced landing was made and the subsequent gear collapse.
Accident investigation:
 |
|
Sources:
NTSB CHI01LA274
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Apr-2024 18:34 | ASN Update Bot | Added |
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