ASN Wikibase Occurrence # 157838
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| Date: | Sunday 28 July 2013 |
| Time: | 11:50 |
| Type: |  Denney Kitfox 3 |
| Owner/operator: | Private |
| Registration: | N873RX |
| MSN: | 873 |
| Total airframe hrs: | 923 hours |
| Engine model: | Rotax 912UL |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fisk, WSW of Wittman Regional Airport (KOSH), Oshkosh, WI -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | La Porte, IN (PPO) |
| Oshkosh, WI (OSH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was about 1,000 feet above ground level when the engine experienced a loss of power. The pilot was able to momentarily regain engine power twice before the engine lost total power. The pilot performed a forced landing in a field. The airplane's nose impacted terrain, which pushed the engine rearward and buckled the structure under the forward cockpit area. A postaccident examination revealed that the left wing fuel tank was nearly full, and the fuel line connecting the left wing fuel tank to the header tank had softened at the installation bend, which allowed the fuel line to kink and shut off the fuel supply from the left wing tank. The right wing and header fuel tanks were empty, and the fuel line from the right tank was intact and functioned normally. The fuel system on newer models of the accident airplane have been modified to include a 90-degree elbow fitting, which prevents the tight bend in the fuel line from the wing tanks to the header tank.
Probable Cause: The degraded fuel line, which prevented fuel from the left tank from reaching the header tank and resulted in the loss of engine power due to fuel starvation.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Jul-2013 20:12 | Geno | Added |
| 29-Jul-2013 00:33 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 08:49 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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