NTSB investigations: Ayres S2R-T34
5 cases on aircraft the registry lists as Ayres S2R-T34, where the first occurrence was “Airframe/component/system failure/malfunction”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1990 | 1 |
|---|---|
| 1992 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 2002 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970106')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970106')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX02LA226Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Firebaugh, CAThe overload fracture and separation of the left main gear strut assembly due the left landing gear's encounter with a chuck hole in the private airstrip's asphalt pavement. A factor in the accident was the inadequate maintenance of the airstrip's surface.NTSB FTW97FA220Accident · 1 fatalField investigationFinal reportAyres S2R-T34 · Corning, ARThe in-flight separation of the left wing as result of fatigue crack of the lower spar cap due to inadequate materials by the manufacturer. A factor was the operator's failure to comply with a published service bulletin on the airframe.NTSB FTW96LA069Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · West Helena, ARBinding of the power lever linkage, due to corrosion, which resulted in a situation that led to an inadvertent shut-down of the engine at a critical point on the approach to land. A factor relating to the accident was: inadequate maintenance.NTSB LAX92FA149Accident · Serious injuriesField investigationFinal reportAyres S2R-T34 · Bakersfield, CAA catastrophic wing spar failure precipitated by hidden corrosion and the restricted view of the area of corrosion by the airplane's wing structure.NTSB MIA90FA190Accident · 1 fatalField investigationFinal reportAyres S2R-T34 · Thornton, MSThe improper drilling of a hole in the spar cap by a mechanic resulting in the initiation of fatigue cracking in the spar cap and subsequent failure of the spar cap and inflight separation of the wing.