ASN Wikibase Occurrence # 175227
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Date: | Sunday 1 March 2015 |
Time: | 09:40 |
Type: | Piper PA-46-310P Malibu |
Owner/operator: | Private |
Registration: | N9133G |
MSN: | 4608111 |
Year of manufacture: | 1988 |
Total airframe hrs: | 3208 hours |
Engine model: | Continental TSIO-520 SER |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Roberts Field Airport (KRDM), Redmond, Oregon -
United States of America
|
Phase: | Landing |
Nature: | Private |
Departure airport: | Friday Harbor, WA (KFHR) |
Destination airport: | North Las Vegas, NV (KVGT) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The private pilot reported that, about 30 minutes into the private, cross-country flight and while the airplane was cruising at 23,000 ft mean sea level, the engine started running roughly. The pilot noticed that the No. 5 cylinder head temperature (CHT) was lower than normal. He cycled the magnetos and noticed that the engine ran rougher than normal when the left magneto was selected. He then enriched the mixture, and the engine smoothed out. He continued to monitor the engine and adjust the mixture. About 30 minutes later, the engine lost power. The pilot diverted to a nearby airport and attempted to line up for a runway but did not have sufficient altitude. He performed a forced landing to the airport infield, which resulted in the nose landing gear collapsing and structural damage to the wing spar.
Postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation. During an engine test run up to full power, the only anomaly noted was that the No. 5 CHT was 50 to 70° lower than all the other cylinders. However, the lower CHT likely would not cause a loss of engine power.
Probable Cause: A loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | WPR15LA137 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
FAA register:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N9133G Location
Revision history:
Date/time | Contributor | Updates |
09-Apr-2015 06:48 |
Geno |
Added |
21-Dec-2016 19:30 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
08-Sep-2017 19:47 |
ASN Update Bot |
Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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