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NTSB investigations: Ayres S-2R, CA

13 cases on aircraft the registry lists as Ayres S-2R. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19782026

Where

Latest cases

Query with SQL

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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970101', '0970113', '0970114')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970101', '0970113', '0970114'))
  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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0970101', '0970113', '0970114'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 WPR22FA026Accident · 1 fatalClass 3 · FieldFinal reportAyres S-2R · Shafter, CAThe pilot’s decision to depart into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.Nov 3, 2021 · N8960Q · Substantial damage NTSB WPR10LA247Accident · No injuriesLimited investigationFinal reportAyres S2R · Glenn, CALoss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.May 18, 2010 · N29254 · Substantial damage NTSB LAX04CA154Accident · Minor injuriesData collectionFinal reportAyres S-2R · Los Banos, CAthe pilot's failure to maintain proper runway alignment due to visual restrictions from the light condition, resulting in a nose over. Factors in the accident were the dusk light conditions and sun glare.Mar 12, 2004 · N8930Q · Substantial damage NTSB LAX01LA078Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T34 · Holtville, CAThe pilot's failure to maintain clearance from the wires. Contributing to the accident was the pilot's inadequate preflight inspection.Jan 18, 2001 · N8927Q · Substantial damage NTSB LAX98LA238Accident · No injuriesLimited investigationFinal reportAyres S2R · Shafter, CAThe pilot's failure to maintain an adequate clearance from the irrigation standpipe due to glare from the rising sun.Jul 21, 1998 · N8960Q · Substantial damage NTSB LAX94LA143Accident · No injuriesLimited investigationFinal reportAyres S2R · Winterhaven, CAA loss of engine power for an undetermined reason.Feb 16, 1994 · N4003W · Destroyed NTSB LAX91LA331Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Visalia, CAA loss of engine power due to the failure of the master rod to the number one cylinder resulting from a lack of oil.Jul 27, 1991 · N3087D · Destroyed NTSB LAX89DVA01Accident · Serious injuriesFinal reportAyres S2R · Traver, CAWhile spraying a cotton field the engine lost power. The pilot executed a forced landing in an open area but rollout continued into crops. The acft nosed over. Investigation revealed only unuseable fuel on board.Oct 12, 1988 · N3087D · Substantial damage NTSB LAX88DVA12Accident · No injuriesFinal reportAyres S2R · Kerman, CADrg an aerial application flt, the eng lost power & a fire started in the eng compartment when a fuel line failed, just forward of the fire wall. The plt made a successful landing in an open field, but the acft was substantially damaged due to the fire.Aug 20, 1988 · N8930Q · Substantial damage NTSB LAX82DA137Accident · No injuriesFinal reportAvres S-2R · Kettleman City, CAThe pilot stated that the fuel gauge was faulty so he flew by time. On the day of the accident the battery on the pilot's electric watch ran down. The pilot reported that the aircraft ran out of fuel and crashed in an open field with his watch still showing…Apr 16, 1982 · N5672X · Substantial damage NTSB LAX80FVA66Accident · No injuriesClosedSnow 600S2R · Lemoore, CASep 3, 1980 · N5632X · Substantial damage NTSB LAX80FVA62Accident · No injuriesClosedAyres S2R · Kerman, CAAug 20, 1980 · N5588X · Substantial damage NTSB OAK79DVA04Accident · Minor injuriesClosedThrush Cmdr S2R · Corcoran, CAOct 9, 1978 · N4002Q · Substantial damage