Accident Velocity STD RG N133SV,
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ASN Wikibase Occurrence # 183098
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Date:Saturday 2 January 2016
Type:Silhouette image of generic VELO model; specific model in this crash may look slightly different    
Velocity STD RG
Registration: N133SV
MSN: SFE-012
Year of manufacture:2014
Total airframe hrs:66 hours
Engine model:Subaru EG-33
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Location:Kern County, Rosamond, CA -   United States of America
Phase: Landing
Departure airport:Rosamond, CA (L00)
Destination airport:Rosamond, CA (L00)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Shortly after departure on the local flight, the private pilot observed that the engine temperature was higher than it had been on the previous day's flight. After reducing power, the engine began to surge, which prompted the pilot to return to the airport. Unable to maintain altitude, the pilot elected to land in a vacant field. The left wing sustained substantial damage during the landing. A postaccident examination of the engine revealed that the No. 1 connecting rod assembly had failed. Although the reason for the failure could not be determined, the fracture surfaces exhibited signatures of fatigue consistent with a malfunction of the connecting rod bearing, such as improper bearing size, rotation of the bearing during service, or operation of a severely worn bearing. Such conditions would result in higher-than-normal operating stress, and likely contributed to the propogation of the fatigue cracking.
Probable Cause: A partial loss of engine power due to failure of the No. 1 connecting rod as a result of multiple fatigue cracks for reasons that could not be determined during on postaccident examination.

Accident investigation:
Investigating agency: NTSB
Report number: WPR16LA047
Status: Investigation completed
Download report: Final report


FAA register:


Revision history:

05-Jan-2016 02:27 Geno Added
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
19-Aug-2017 13:54 ASN Update Bot Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]

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