ASN Wikibase Occurrence # 199067
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| Date: | Saturday 9 May 2015 |
| Time: | 10:15 |
| Type: |  Piper PA-32-300 |
| Owner/operator: | Private |
| Registration: | N4124R |
| MSN: | 32-40442 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 4967 hours |
| Engine model: | Textron Lycoming IO-540-K1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Redlands, CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Redlands, CA (REI) |
| Oceano, CA (L52) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot reported that, about 30 seconds after takeoff, while the airplane was 250 ft above ground level, the engine began to emit an unusual sound, and he felt a vibration. He chose to land immediately and, due to obstacles ahead, he turned back toward the airport. He completed a steep turn and descended rapidly with the engine producing only partial power. Unable to maintain altitude, the airplane subsequently touched down hard on the runway. The pilot swerved to avoid oncoming traffic, which resulted in the right wing impacting a runway sign.
A postaccident examination of the engine revealed that there was a large hole on the top of the crankcase. Two connecting rods were separated from the crankshaft and exhibited mechanical and thermal damage, consistent with oil starvation. Oil streaks were found near the taxiway and run-up area, consistent with the airplane extruding oil before takeoff. When compressed air was directed into the oil cooler, air expelled from a small gap between mating brazed plates, indicating that oil could have extruded from that location.
Probable Cause: The partial loss of engine power during takeoff due to oil starvation.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 16:48 | ASN Update Bot | Added |
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