ASN Wikibase Occurrence # 361449
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| Date: | Saturday 21 August 1993 |
| Time: | 09:25 LT |
| Type: |  Beechcraft C23 |
| Owner/operator: | Private |
| Registration: | N6547R |
| MSN: | M1588 |
| Total airframe hrs: | 2148 hours |
| Engine model: | LYCOMING O-360-A4J |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lakeview, OR -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Klamath Falls, OR |
| Boise, ID (KBOI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A CROSS COUNTRY FLIGHT, WHILE IN CRUISE FLIGHT, THE ENGINE SUDDENLY BEGAN TO RUN ROUGH. THE RPM DROPPED AND THE AIRPLANE WAS UNABLE TO MAINTAIN ALTITUDE. THE PILOT INITIATED A FORCED LANDING TO AN OPEN FIELD WHERE DURING THE LANDING ROLL, THE AIRPLANE COLLIDED WITH THE ROUGH TERRAIN. DURING THE POST CRASH ENGINE INSPECTION, IT WAS FOUND THAT THE NUMBER ONE EXHAUST VALVE HEAD BROKE AWAY AT THE NECK.
Probable Cause: A FRACTURED EXHAUST VALVE. THE ROUGH TERRAIN WAS A FACTOR.
Accident investigation:
 |
|
Sources:
NTSB SEA93LA180
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 18:36 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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