NTSB investigations: Ayres S2R-T34
12 cases on aircraft the registry lists as Ayres S2R-T34, where the first occurrence was “In flight collision with object”. 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
| 1987 | 1 |
|---|---|
| 1988 | 2 |
| 1991 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 2000 | 2 |
| 2003 | 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 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\" = 220))
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" = 220))
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 CHI03LA171Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T34 · Marked Tree, ARThe pilot's failure to maintain clearance with the wire. Contributing factors were the low altitude flight/maneuver and the static wire.NTSB LAX03LA122Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Avondale, AZThe pilot failed to maintain adequate visual lookout and did not maintain clearance from power lines. The backhoe's location, which caused the pilot to alter his planned flight path, was a factor.NTSB FTW00LA195Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T34 · Anahuac, TXThe pilot's failure to maintain clearance with the power line. A factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA179Accident · 1 fatalLimited investigationFinal reportAyres S2R-T34 · Helena, ARThe pilot's failure to maintain clearance with the power lines.NTSB FTW97LA196Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T34 · Welsh, LAThe pilot's failure to maintain clearance with a moving vehicle. Factors were: the lack of runway signs and a runway safety area, and the difficulty for the pilot and driver of the vehicle to visually detect each other due to high vegetation at the edge of…NTSB FTW95LA347Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Lake City, ARThe pilot's failure to maintain clearance with the transmission wires.NTSB LAX95LA154Accident · 1 fatalLimited investigationFinal reportAyres S2R-T34 · Stanfield, AZthe pilot's failure to maintain an adequate visual lookout for, and clearance from, obstacles while conducting simulated aerial application operations.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 FTW91DPG05Accident · 1 fatalFinal reportAyres S2R-T34 · Wheatley, ARThe failure of the flagman to follow established procedures.NTSB LAX88DVA14Accident · Minor injuriesFinal reportAyres S2R-T34 · Five Points, CAPlt was engaged in aerial application and had been overflying power lines. On last pass, plt elected to fly beneath power lines, struck bracing wire between poles with vertical fin, disabling elevator. The acft crashed nose down in a field in an uncontrolled…NTSB LAX88DVA10Accident · No injuriesFinal reportAyres S2R-T34 · Huron, CADuring an aerial application flight at night, the airplane's vertical stabilizer collided with a transmission wire. Subsequently, the vertical stabilizer & rudder were dislocated & directional control was lost. Realizing he had lost directional control, the…NTSB LAX87DVA09Accident · No injuriesFinal reportAyres S2R-T34 · Mendota, CADuring an agricultural application flight, the aircraft struck a pole that was located 30 feet within the field boundary. The pilot stated that due to the dawn light and the way the pole blended in with the field along with a light amount of chemical on the…