ASN Wikibase Occurrence # 284936
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| Date: | Tuesday 8 May 2007 |
| Time: | 11:22 LT |
| Type: |  Piper PA-28-140 |
| Owner/operator: | National Pilot Academy |
| Registration: | N5895U |
| MSN: | 28-26791 |
| Year of manufacture: | 1970 |
| Total airframe hrs: | 3551 hours |
| Engine model: | Lycoming O-320-E2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tucson, Arizona -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Tucson-Ryan Field, AZ (KRYN) |
| Tucson-Ryan Field, AZ (KRYN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The engine began losing power about 1,600 feet above the ground. The airplane was unable to maintain altitude, and the pilots made a hard forced landing in rough desert terrain about 1/3-mile from the destination airport. During the subsequent borescope examination of the engine, the top surface of the number 3 piston was observed to be damaged, and the cylinder's exhaust valve head was broken off from the stem. No further inspections were performed.
Probable Cause: A loss of engine power while maneuvering due to a broken exhaust valve. Contributing to the accident was the rough terrain.
Accident investigation:
 |
|
Sources:
NTSB LAX07LA153
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Oct-2022 15:28 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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