NTSB investigations: Beech 35-B33, IL

8 cases on aircraft the registry lists as Beech 35-B33. 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

19652026

NTSB investigations: Beech 35-B33, IL per year, 1965–2026: 8 cases
1965	1
1970	1
1972	1
1973	1
1978	1
1979	1
2014	1
2026	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" = 'IL' 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 ('1151406')) 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\" = 'IL' 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 ('1151406'))
  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" = 'IL' 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 ('1151406'))
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 CEN26LA261Accident · No injuriesClass 4 · LimitedInvestigation openBeech 35-B33 · Alton, ILJul 18, 2026 · N1470G · Substantial damage NTSB CEN15CA011Accident · No injuriesData collectionFinal reportBeech 35-B33 · Effingham, ILThe pilot's failure to lower the landing gear.Oct 11, 2014 · N718CD · Substantial damage NTSB CHI79DEE83Accident · No injuriesClosedBeech 35-B33 · Joliet, ILSep 25, 1979 · N8621M · Substantial damage NTSB CHI78FEE47Accident · Minor injuriesClosedBeech 35-B33 · Rockford, ILJul 28, 1978 · N9798Y · Substantial damage NTSB CHI73DEE51Accident · No injuriesClosedBeech 35-B33 · Plainfield, ILApr 11, 1973 · N9554Y · Substantial damage NTSB CHI73FEE17Accident · No injuriesClosedBeech 35-B33 · Joliet, ILAug 12, 1972 · N8621M · Substantial damage NTSB CHI70DBD19Accident · No injuriesClosedBeech 35-B33 · Grayslake, ILFeb 21, 1970 · N8962M · Substantial damage NTSB CHI65A0097Accident · No injuriesClosedBeechcraft 35-B33 · Macomb, ILMay 21, 1965 · N8910M · Substantial damage