ASN Wikibase Occurrence # 68104
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| Date: | Sunday 30 August 2009 |
| Time: | 09:15 |
| Type: |  Denney Kitfox 4 |
| Owner/operator: | Private |
| Registration: | N69377 |
| MSN: | 1514 |
| Total airframe hrs: | 50 hours |
| Engine model: | Rotax 582 DCDI |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Green Ridge State Forest, Maryland -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Berkeley Spring, WV (W35) |
| Cumberland, MD (CBE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was flying at an altitude of 2,800 feet mean sea level when the engine of his homebuilt airplane abruptly lost power. After many failed attempts to restart the engine, the pilot landed in a wooded area. The airplane came to rest in a nose-low attitude suspended off the ground between two trees. The pilot sustained minor injuries and the airplane incurred substantial damage. An examination of the engine found evidence of inadequate lubrication to the engine’s rotary valve and foreign material and debris in both carburetors. During the examination, the rotary valve was only able to produce a few turns of the propeller before it stuck in a position that cut off the fuel/oil mixture’s flow to the cylinder. The rotary valve’s oil tank was empty and the pilot stated that he had never added any oil to it in the 49 hours the airplane was operated. Review of the engine’s operators and maintenance manuals revealed that the engine had been improperly stored for 18 years.
Probable Cause: A total loss of engine power due to the lack of sufficient lubrication and the pilot/owner’s failure to adequately service the airplane’s engine.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Aug-2009 21:17 | slowkid | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 02-Dec-2017 16:01 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative, Plane category] |
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