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ASN Wikibase Occurrence # 68104
Last updated: 21 November 2020
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Date:30-AUG-2009
Time:09:15
Type:Silhouette image of generic FOX model; specific model in this crash may look slightly different
Denney Kitfox 4
Owner/operator:Private
Registration: N69377
C/n / msn: 1514
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)
Destination airport:Cumberland, MD (CBE)
Investigating agency: NTSB
Narrative:
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.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20090830X54237&key=1


Revision history:

Date/timeContributorUpdates
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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