ASN Wikibase Occurrence # 362849
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Date: | Tuesday 29 September 1992 |
Time: | 16:10 LT |
Type: | Piper PA-22-135 |
Owner/operator: | Private |
Registration: | N8274C |
MSN: | 22-2349 |
Year of manufacture: | 1954 |
Total airframe hrs: | 2573 hours |
Engine model: | LYCOMING O-290-D2 |
Fatalities: | Fatalities: 0 / Occupants: 3 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Troutdale, OR -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Vancouver, WA (59S) |
Destination airport: | (59S) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:WHILE IN CRUISE THE ENGINE BEGAN RUNNING ROUGH AND VIBRATING. THE PILOT, UNABLE TO MAINTAIN ALTITUDE DUE TO THE POWER LOSS, EXECUTED A FORCED LANDING ONTO AN UNEVEN FIELD DURING WHICH THE NOSE GEAR STRUT FOLDED AFT DUE TO OVERLOAD AND THE AIRCRAFT NOSED OVER. SUBSEQUENT DISASSEMBLY OF THE ENGINE REVEALED THAT THE NUMBER 3 CYLINDER EXHAUST VALVE HAD SEPARATED AT THE NECK JUST BENEATH THE BASE OF THE VALVE HEAD.
Probable Cause: SEPARATION OF THE NUMBER 3 CYLINDER EXHAUST VALVE HEAD AND OVERLOADING OF THE NOSE GEAR STRUT. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE UNEVEN TERRAIN.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | SEA92LA218 |
Status: | Investigation completed |
Duration: | 11 months |
Download report: | Final report |
|
Sources:
NTSB SEA92LA218
Location
Revision history:
Date/time | Contributor | Updates |
18-Mar-2024 10:54 |
ASN Update Bot |
Added |
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