ASN Wikibase Occurrence # 168886
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| Date: | Saturday 16 August 2014 |
| Time: | 18:30 |
| Type: |  Bellanca 7GCBC Citabria |
| Owner/operator: | Private |
| Registration: | N36236 |
| MSN: | 549-73 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 1265 hours |
| Engine model: | Lycoming O-320-A2B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West of Greenwood-Leflore Airport (KGWO), Greenwood, MS -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Greenwood, MS (GWO) |
| Greenwood, MS (GWO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor and student pilot were practicing simulated forced landings. The flight instructor reported that, during the third simulated forced landing, when the student pilot applied engine power to go around, the engine began to sputter, and it then experienced a total loss of power. The flight instructor assumed control of the airplane and performed a forced landing to a cornfield, which resulted in substantial damage to both wings and the fuselage.
Postaccident examination of the engine revealed that a portion of the air intake filter had been ingested into the carburetor and was obstructing the venturi opening, which likely resulted in the loss of engine power. The remaining portion of the air filter was not located, and its preimpact condition could not be determined. The engine examination also revealed that an intake valve inner spring had broken; however, the outer spring remained intact, and the broken inner spring did not contribute to the accident.
A review of the maintenance records indicated that the airplane had been operated for about 13 hours since its most recent annual inspection, which was performed about 8 months before the accident. A maintenance logbook entry noted that the induction filter was replaced at that time. The engine had accumulated about 1,265 total flight hours at the time of the accident and had not been overhauled since its manufacture about 41 years before the accident.
Probable Cause: A total loss of engine power during maneuvering due to an obstruction from air intake filter material being ingested into the carburetor, which resulted in a forced landing.
Accident investigation:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 17 May 1994 | N36236 | Private | 0 | Lewisburg, WV | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Aug-2014 22:57 | Geno | Added |
| 19-Aug-2014 14:53 | gerard57 | Updated [Other fatalities] |
| 19-Aug-2014 18:16 | Anon. | Updated [Other fatalities] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 18-Aug-2017 16:32 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 19-Aug-2017 16:49 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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