NTSB investigations: Cessna 170A, SD

10 cases on aircraft the registry lists as Cessna 170A. 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

19692026

NTSB investigations: Cessna 170A, SD per year, 1969–2026: 10 cases
1969	1
1971	1
1972	1
1974	2
1977	1
1980	2
1991	1
2014	1

Where

Open the map

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" = 'SD' 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 ('2072304')) 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\" = 'SD' 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 ('2072304'))
  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" = 'SD' 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 ('2072304'))
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 CEN14CA242Accident · No injuriesData collectionFinal reportCessna 170A · Huron, SDThe pilot's inadequate flare resulting in a hard landing.Apr 19, 2014 · N9285A · Substantial damage NTSB CHI91LA143Accident · No injuriesLimited investigationFinal reportCessna 170A · Newell, SDThe pilot's improper aircraft handling.Apr 24, 1991 · N5720C · Substantial damage NTSB DEN80FTK14Accident · No injuriesClosedCessna 170A · Garrettson, SDJun 26, 1980 · N9926A · Substantial damage NTSB DEN80FTK11Accident · No injuriesClosedCessna 170A · Britton, SDMay 17, 1980 · N1742D · Substantial damage NTSB MKC77DTK08Accident · No injuriesClosedCessna 170A · Lemmon, SDFeb 18, 1977 · N5468C · Substantial damage NTSB MKC75DTK02Accident · No injuriesClosedCessna 170 · Vermillion, SDSep 17, 1974 · N5732C · Substantial damage NTSB MKC74DTK08Accident · No injuriesClosedCessna 170A · Bemis, SDJan 20, 1974 · N1279D · Substantial damage NTSB MKC73FTK04Accident · Minor injuriesClosedCessna 170A · Lemmon, SDAug 18, 1972 · N5740C · Substantial damage NTSB MKC71DTK34Accident · No injuriesClosedCessna 170A · Hot Springs, SDJun 26, 1971 · N9150A · Substantial damage NTSB MKC69D0462Accident · No injuriesClosedCessna 170A · Reva, SDMay 26, 1969 · N9765A · Substantial damage