ASN Wikibase Occurrence # 163910
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| Date: | Sunday 16 February 2014 |
| Time: | 13:11 |
| Type: |  Rans S-10 Sakota |
| Owner/operator: | private |
| Registration: | N3000V |
| MSN: | 0996178-S |
| Year of manufacture: | 2002 |
| Total airframe hrs: | 390 hours |
| Engine model: | Bombardier Rotax |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | NNW of Lake Water Wheel Airport (XS99), Shepherd, TX -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Shepherd, TX (XS99) |
| Shepherd, TX (XS99) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A ground witness reported that the pilot made a radio transmission announcing his intention to perform a rolling maneuver. He and another ground witness stated that they then saw the airplane roll through an inverted position and then transition into a steep, high-speed dive. The left wing separated from the fuselage, and the airplane continued in a near-vertical descent until ground impact. Postaccident examination revealed that the left front wing spar had fractured near the left wing root due to overload.
No records were found indicating that the noncertificated pilot had received dual flight instruction for aerobatics, and the pilot’s friend reported that he did not think that the pilot had ever received any aerobatic flight training. A review of the pilot’s journal revealed that he had recently attempted solo aerobatics in the accident airplane, which resulted in high-speed spiral dives at airspeeds higher than the never exceed speed for the airplane. The pilot likely attempted an aerobatic maneuver that exceeded the airplane’s design limitations, which resulted in the subsequent in-flight breakup of the airplane.
Toxicological reports revealed the presence of amlodipine, a blood pressure medication, in the urine and liver, and autopsy results indicated that the pilot had hypertension; however, it is unlikely that the hypertension or the medication used for its treatment contributed to the accident. Tramadol and its metabolite, which are analgesics, were also present in the urine and liver. Insufficient evidence was available to determine whether the pilot’s use of tramadol contributed to his decision to perform aerobatic maneuvers without training or impaired his ability to complete the maneuver successfully.
Probable Cause: The noncertificated pilot’s improper decision to attempt aerobatic maneuvers that exceeded the airplane’s design limitations, which resulted in the subsequent in-flight breakup of the airplane. Contributing to the accident was the pilot’s lack of aerobatic flight instruction.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=3000V
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Feb-2014 23:53 | Geno | Added |
| 17-Feb-2014 01:12 | Geno | Updated [Location, Source, Narrative] |
| 17-Feb-2014 06:25 | Anon. | Updated [Narrative] |
| 17-Feb-2014 18:52 | Alpine Flight | Updated [Damage] |
| 28-Feb-2014 01:49 | Geno | Updated [Time, Nature, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 13:33 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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