ASN Wikibase Occurrence # 355821
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| Date: | Tuesday 27 May 1997 |
| Time: | 10:30 LT |
| Type: |  Piper PA-25-235 |
| Owner/operator: | Coen Aerial Spraying |
| Registration: | N4829Y |
| MSN: | 25-4621 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 3341 hours |
| Engine model: | Lycoming O-540-B2C5 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lamar, CO -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | (KLAA) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While conducting an aerial application swath run the engine lost all power and the pilot conducted a forced landing in a field with high vegetation which was unsuitable for a forced landing. Examination of the engine provided evidence of failure of both the left magneto drive gear and crankshaft idler gear. Examination of the aircraft records provided information that over 247 hours had been accumulated on the aircraft since the last 100 hour inspection and that an Airworthiness Directive directed at the magnetos had been complied with.
Probable Cause: Failure of the left magneto and crank shaft idler drive gears. Factors were failure to perform a 100 hour inspection and unsuitable terrain for a forced landing.
Accident investigation:
 |
|
Sources:
NTSB FTW97LA202
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 15:59 | ASN Update Bot | Added |
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