ASN Wikibase Occurrence # 355834
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| Date: | Friday 23 May 1997 |
| Time: | 19:30 LT |
| Type: |  Ercoupe 415G |
| Owner/operator: | Richard Frankilin Law |
| Registration: | N94415 |
| MSN: | 5030 |
| Total airframe hrs: | 3289 hours |
| Engine model: | Continental O-200A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Colusa, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | (IL84) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot-in-command stated that during the initial climb after a series of touch-and-go's, 'at an altitude of 250 feet, the engine began running rough and made a clattering noise.' The CFI said he then took control of the aircraft. The pilot reported that the 'engine quite completely with the propeller stopping in the horizontal position.' The CFI next executed a forced landing in a 'freshly planted' field. The CFI said, [the] 'Aircraft touched down firmly and we rolled approximately 50 feet when the nose wheel dug in and the aircraft went over onto its back, nose first.' Postcrash investigation of the airplane showed that the exhaust valve rocker arm on the number two cylinder was broken in two pieces. Further inspection of the number two cylinder showed that the exhaust valve rocker arm had been interchanged with the intake valve rocker arm of the same cylinder.
Probable Cause: improper installation of the rocker arm assembly by maintenance personnel which led to the failure of the rocker arm. A factor was the soft terrain.
Accident investigation:
 |
|
Sources:
NTSB CHI97LA145
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 16:11 | ASN Update Bot | Added |
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