ASN Wikibase Occurrence # 196386
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| Date: | Tuesday 27 June 2017 |
| Time: | 08:49 |
| Type: |  Van's RV-7 |
| Owner/operator: | Private |
| Registration: | N731RV |
| MSN: | 70083 |
| Year of manufacture: | 2004 |
| Engine model: | Lycoming O-360-A1A |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Maricopa County, west of Buckeye, near Arlington, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Buckeye Airport, AZ (BXK/KBXK) |
| Buckeye Airport, AZ (BXK/KBXK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport pilot and private pilot-rated passenger were in cruise flight when radar contact was lost. Wreckage and impact signatures revealed that the airplane impacted the ground in an inverted, left-wing-down, nose-down attitude. The cockpit canopy, vertical stabilizer, and rudder were found about 1 mile from the main wreckage. Examination of the engine found no abnormalities that would have precluded normal operation.
Examination of the airframe revealed biological matter in a dented section underneath the horizontal stabilizer, as well as bird feathers in the cockpit under the passenger seat. DNA and microscopic examination of the specimens were consistent with a rock pigeon. All fracture surfaces examined were consistent with overstress failure; there were no indications of any preexisting damage such as cracks or corrosion. The fracture surfaces of the spars, skins, stabilizers, and other components from the horizontal stabilizer, vertical stabilizer, and rudder assemblies exhibited features consistent with secondary fractures (such as from ground impact or after the bird strike). There were no clear indications that any of the components that fractured in overstress did so prior to ground impact or independently of the bird strike. It is possible that the pilot made an evasive maneuver before or during impact with the bird, that in combination, resulted in an overstress structural failure of the, vertical stabilizer and rudder, which in turn resulted in the pilot's inability to maintain control of the airplane.
Probable Cause: The inflight overstress separation of the vertical stabilizer and rudder during flight which resulted in the pilot's inability to maintain airplane control. Contributing to the accident was an inflight collision with a bird.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N731RV
Location
Images:
Photo: NTSB
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Jun-2017 14:12 | Geno | Added |
| 28-Jun-2017 17:33 | Anon. | Updated [Departure airport] |
| 30-Jun-2017 10:31 | Iceman 29 | Updated [Nature, Source, Embed code, Damage] |
| 08-Jan-2018 12:14 | Iceman 29 | Updated [Source, Narrative] |
| 01-Apr-2018 09:12 | junior sjc | Updated [Departure airport, Source, Embed code, Narrative] |
| 02-Mar-2019 14:45 | ASN Update Bot | Updated [Time, Operator, Departure airport, Destination airport, Source, Embed code, Narrative, Accident report, ] |
| 02-Mar-2019 15:42 | harro | Updated [Phase, Departure airport, Destination airport, Source, Embed code, Narrative, Photo] |
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