ASN Wikibase Occurrence # 174603
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| Date: | Sunday 15 March 2015 |
| Time: | 18:15 |
| Type: | Kolb Mk-II Twinstar |
| Owner/operator: | Private |
| Registration: | N193Y |
| MSN: | CW011370 |
| Year of manufacture: | 2007 |
| Total airframe hrs: | 502 hours |
| Engine model: | Rotax 503DCSI |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Potterville, south of Reynolds, GA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Butler, GA (6A1) |
| Thomaston, GA (OPN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student pilot was flying at a low altitude over a relative's residence. The airplane circled over the house twice before overflying a wooded area at the neighboring residence and, according to a witness, appeared to "hover" as it flew over the trees. Shortly thereafter, the airplane suddenly pitched nose-down and impacted terrain. Witness observations were consistent with the airplane flying at a very low groundspeed, and likely a very low airspeed. The nose-down impact angle, and absence of ground scars or debris path were consistent with a stall at the time of impact. Because the airplane was operating at low altitude, the airplane’s altitude was insufficient to allow the student pilot to recover the airplane from the stall. Although oil was found on the engine case and empennage, no pre-impact mechanical malfunctions or failures were found with the engine or airplane that would have precluded normal operation.
Probable Cause: The student pilot’s failure to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall. Contributing to the accident was the student pilot's decision to operate the airplane at a low altitude that did not allow for stall recovery.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=193Y
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2015 05:19 | Geno | Added |
| 08-Apr-2015 02:18 | Geno | Updated [Date, Time, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 12:47 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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