NTSB investigations: Beech K35

6 cases on aircraft the registry lists as Beech K35, where the first occurrence was “Loss of engine power”. 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

19852026

NTSB investigations: Beech K35 per year, 1985–2026: 6 cases
1985	1
1991	2
2003	1
2004	1
2007	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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1151524') 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" = 350)) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1151524')
      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\" = 350))
  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 ('1151524')
    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" = 350))
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 NYC07LA136Accident · No injuriesLimited investigationFinal reportBeech K35 · Cross Junction, VAThe loss of engine power for undetermined reasons.Jun 11, 2007 · N615T · Substantial damage NTSB MIA04LA082Accident · Serious injuriesLimited investigationFinal reportBeech K35 · Lake Worth, FLThe loss of engine power for undetermined reasons which resulted in a forced landing, collision with a berm during landing rollout, and the airplane nosing over.May 12, 2004 · N551PK · Substantial damage NTSB CHI03LA101Accident · Serious injuriesLimited investigationFinal reportBeech K35 · Richmond, INThe pilot misjudged the fuel supply during the aircraft preflight which resulted in fuel exhaustion. A factor associated with the accident was the wires.Apr 10, 2003 · N614Q · Substantial damage NTSB FTW91FA158Accident · Serious injuriesField investigationFinal reportBeech K35 · Tulsa, OKTotal power loss due to failure of the crankshaft bearings and connecting rod cap bolts resulting from the maintenance facilities' failure to overhaul the engine. A factor was the lack of suitable terrain for the forced landing.Aug 25, 1991 · N817R · Substantial damage NTSB ATL91FA041Accident · 2 fatalField investigationFinal reportBeech K35 · Lafayette, TNPartial loss of engine for an undetermined reason. The adverse weather conditions, darkness, and radio tower were related factors.Jan 19, 1991 · N99RN · Destroyed NTSB CHI86LA010Accident · Serious injuriesLimited investigationFinal reportBeech K35 · New Lisbon, WIAccording to the plt, acft preflight, engine runup and warm up were normal. Takeoff and initial climb up to approx 300 ft AGL were normal also. At this point the engine quit and the plt performed a forced landing in a clover field below him. The acft was…Oct 14, 1985 · N6060E · Destroyed