ASN Wikibase Occurrence # 158260
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| Date: | Tuesday 13 August 2013 |
| Time: | 11:30 |
| Type: |  Champion 7GCAA |
| Owner/operator: | AA Aerial Surveillance, LLC. |
| Registration: | N9607S |
| MSN: | 52 |
| Engine model: | Lycoming O-320 SERIES |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Hamlin Canyon, SW of Paradise, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Survey |
| Departure airport: | NutTree Airport, CA (KVCB) |
| Chico Municipal, CA (KCIC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot and passenger were flying pipeline patrol to visually inspect conditions along a gas transmission line. The wreckage was found near the bottom of a canyon adjacent to the pipeline being patrolled. A camera mounted on the airplane's left forward wing strut captured video of the accident flight. The video of the flight showed that, moments before the accident, the airplane was flying above slowly rising terrain while paralleling the canyon on its right side. About 300 ft above ground level, the airplane appeared to encounter an updraft from the canyon, and, shortly after, it entered a right roll. The airplane continued rolling right and made three rotations. During the first rotation, the airplane’s nose pitched down, and, during the second and third rotations, the airplane’s nose maintained a constant descent angle before colliding with terrain. The video revealed that all of the flight controls were intact and that the engine was operating with power at the time of the accident. The video did not reveal any evidence of an airplane malfunction. Postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain airplane control during low-altitude maneuvering after encountering an updraft.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=9607S
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Aug-2013 22:55 | Geno | Added |
| 14-Aug-2013 09:19 | gerard57 | Updated [Operator, Total fatalities, Total occupants, Nature, Source, Narrative] |
| 14-Aug-2013 13:26 | harro | Updated [Source] |
| 14-Aug-2013 16:27 | Geno | Updated [Aircraft type, Registration, Cn, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 09:00 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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