ASN Wikibase Occurrence # 361067
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| Date: | Saturday 13 November 1993 |
| Time: | 21:30 LT |
| Type: |  Cessna 182 |
| Owner/operator: | Ken Smith/mike Wilber |
| Registration: | N5723B |
| MSN: | 33723 |
| Year of manufacture: | 1956 |
| Total airframe hrs: | 2348 hours |
| Engine model: | CONTINENTAL O-470-L |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Colusa, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Los Banos, CA (KLSN) |
| Redding, CA (O85) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE SUSTAINED A TOTAL LOSS OF POWER WHEN THE PILOT WAS DESCENDING TO A LOWER ALTITUDE DURING A NIGHT VFR FLIGHT. THE AIRPLANE'S ALTITUDE WAS INSUFFICIENT TO MAKE THE CLOSEST AIRPORT. THE PILOT TURNED ON THE LANDING LIGHTS AND ELECTED TO LAND IN AN OPEN FIELD. THE PILOT OBSERVED SOME POWER LINES CROSS HIS FINAL APPROACH PATH. HE ATTEMPTED TO MANEUVER BENEATH THE POWER LINES, BUT WAS UNSUCCESSFUL. THE AIRPLANE CLIPPED THE LINES AND CRASHED. THE ENGINE EXAMINATION DISCLOSED THAT THE LAST MAINTENANCE FACILITY TO OVERHAUL THE ENGINE FAILED TO NITRIDE AND HARDEN THE CAM GEARS AS REQUIRED. THE CAM AND CRANKSHAFT GEARS FAILED IN FATIGUE.
Probable Cause: was the poor major overhaul conducted by maintenance personnel by failing to properly service the cam shaft. The camshaft gears fatigue which led to its ultimate failure, the dark night conditions, and the power lines were factors in this accident.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA046
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 14:26 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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