NTSB investigations: Beech J35

6 cases on aircraft the registry lists as Beech J35, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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

19862026
NTSB investigations: Beech J35 per year, 1986–2026: 6 cases
19861
19901
19911
19921
19971
19991

Latest 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 ('1151522')
      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\" = 351))
  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.

NTSB LAX99FA270Accident · Serious injuriesField investigationFinal reportBeech J35 · Marysville, CAA loss of engine power due to improperly torque cylinder base nuts by maintenance personnel during a top overhaul.Aug 17, 1999 · N4932B · DestroyedNTSB LAX97LA116Accident · Serious injuriesLimited investigationFinal reportBeech J35 · Morristown, AZfailure of the crankshaft due to improper inspection/overhaul procedures.Mar 3, 1997 · N39W · DestroyedNTSB ATL92LA038Accident · No injuriesLimited investigationFinal reportBeech J-35 · Knoxville, TNThe manufacturer's failure to provide adequate torque information which resulted in the loss of torque on the cylinder hold down nuts and the complete loss of engine power.Jan 12, 1992 · N185Y · Substantial damageNTSB LAX91LA358Accident · No injuriesLimited investigationFinal reportBeech J35 · San Jose, CAThe failure of the crankshaft counterweight retaining clip due to improper maintenance installation of the part.Aug 14, 1991 · N3028C · Substantial damageNTSB DEN91IA019Incident · No injuriesIncident investigationFinal reportBeech J-35 · Brighton, COThe failure of the engine fuel feed line resulting in a complete loss of power. Contributing to the incident was improper installation of the fuel feed transducer.Nov 18, 1990 · N8263D · Minor damageNTSB BFO86FA032Accident · Serious injuriesField investigationFinal reportBeech J-35 · Myersville, MDWhile in cruise flight at 3500 feet the pilot stated he experienced a rapid loss of power. Unable to restart the engine, he was forced to land in a pasture which was divided by barbed wire fences. The aircraft collided with a fence and came to rest inverted.…Jun 4, 1986 · N7266B · Destroyed