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ASN Wikibase Occurrence # 145680
Last updated: 23 February 2018
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Date:29-APR-2012
Time:16:30
Type:Silhouette image of generic GC1 model; specific model in this crash may look slightly different
Temco GC-1B
Owner/operator:Private
Registration: N106S
C/n / msn: 2221
Fatalities:Fatalities: 0 / Occupants: 1
Airplane damage: Substantial
Category:Accident
Location:A slough on the Tennessee River, Dayton, TN -   United States of America
Phase: En route
Nature:Private
Departure airport:Dayton, TN (2A0)
Destination airport:Dayton, TN (2A0)
Investigating agency: NTSB
Narrative:
The pilot had recently finished repairing the airplane after an accident 1 year earlier, and the day of the accident was the first time the airplane had been flown since completion of the repairs. The pilot fueled the airplane, completed several local flights uneventfully, including about 8 takeoffs and landings during about 2 hours of flight, and refueled the airplane.

The pilot stated that he had been maneuvering at low altitudes in the local area for about 15 minutes, and the airplane was climbing through 500 feet above ground level over a river when the engine developed a slight roughness and lost power, decreasing from 2,300 rpm to 800 rpm. The pilot performed emergency procedures, including the application of carburetor heat, but the engine did not regain power. The pilot subsequently made a forced landing in the river.

The wreckage was recovered after 3 days underwater. Examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation. The pilot believed that flying at low altitude and pulling 2 or 3 g's might have affected the carburetor; however, the carburetor had separated and was not recovered.
Probable Cause: A partial loss of engine power during low-altitude maneuvers for reasons that could not be determined because the engine examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation; however the carburetor was not recovered.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20120504X14025&key=1


Revision history:

Date/timeContributorUpdates
17-May-2012 18:31 Geno Added
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Nov-2017 20:35 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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