NTSB investigations: Ayres S2R-T34, 1993
4 cases on aircraft the registry lists as Ayres S2R-T34. 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
| 1979 | 1 |
|---|---|
| 1980 | 2 |
| 1981 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 4 |
| 1994 | 1 |
| 1995 | 5 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 2 |
| 2000 | 2 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 3 |
| 2008 | 2 |
| 2009 | 4 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
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 year(c.\"eventDate\") = 1993
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970106'))
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 year(c."eventDate") = 1993
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970106'))
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 LAX93LA306Accident · No injuriesLimited investigationFinal reportAyres S-2R-T34 · Tulare, CAthe failure of the main gear inner lower tube assembly due to fatigue.NTSB LAX93LA290Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T34 · Buckeye, AZthe pilot's failure to visually detect and avoid a power line. A factor in the accident was the twilight light condition.NTSB FTW93LA189Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Weiner, ARProper rotation speed not attained by the pilotNTSB FTW93LA171Accident · No injuriesLimited investigationFinal reportAyres SR2-T34 · Harrisburg, ARThe loss of engine power due to the failure of the reduction gear assembly due to fatigue. A factor was the lack of suitable terrain for the forced landing.