ASN Wikibase Occurrence # 362533
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| Date: | Tuesday 5 January 1993 |
| Time: | 10:40 LT |
| Type: |  Cessna T210K |
| Owner/operator: | Private |
| Registration: | N732FB |
| MSN: | 21061471 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 1869 hours |
| Engine model: | CONTINENTAL TSIO-520-B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Metropolis, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Downer's Grove, IL (C24 |
| Hamilton, AL (KHAB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT STATED WHILE OPERATING IN CRUISE FLIGHT AT 9,000 FEET ON AN IFR FLIGHT PLAN, THE ENGINE '...GAVE A JOLT AND FAILED.' HE REQUESTED AND RECEIVED VECTORS TOWARDS THE NEAREST AIRPORT. HE REPORTED HE BROKE OUT OF THE CLOUDS AT 1,700 FEET MSL OVER HILLY WOODED TERRAIN. HE MADE A FORCED LANDING IN A SMALL, MUDDY CORN FIELD. THE AIRPLANE NOSED OVER DURING AN INTENTIONAL GROUND LOOP TO AVOID TREES AT THE END OF THE FIELD. POSTACCIDENT EXAMINATION REVEALED THE LOSS OF ENGINE POWER WAS DUE TO A FAILED EXHAUST VALVE IN THE #2 CYLINDER. METALLURGICAL EXAMINATION OF THE FRACTURED VALVE REVEALED FATIGUE CRACKING INITIATING FROM MULTIPLE ORIGINS ON OPPOSITE SIDES OF THE FRACTURE FACE. THE ENGINE HAD 1869 HOURS TOTAL TIME, WITH 671 HOURS SINCE MAJOR OVERHAUL. EXAMINATION REVEALED NO MATERIAL IMPERFECTIONS, AND THE MATERIAL HARDNESS EXCEEDED MANUFACTURER'S MINIMUM SPECIFICATIONS.
Probable Cause: THE FATIGUE FAILURE OF THE EXHAUST VALVE.
Accident investigation:
 |
|
Sources:
NTSB CHI93LA064
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 07:30 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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