NTSB investigations: Franklin 6A4165 series

5 cases on aircraft whose registry engine model is Franklin 6A4165 series, where the first occurrence was “Airframe/component/system failure/malfunction”. 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

19822026
NTSB investigations: Franklin 6A4165 series per year, 1982–2026: 5 cases
19821
19901
19922
20021

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.engine_model_code IN ('27025')
      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\" = 130))
  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 SEA02LA074Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Helena, MTFracture of the left main wheel assembly during the takeoff roll. Factors include the use of a wheel assembly not approved for the accident airplane, and the use of an oversized tire.Apr 20, 2002 · N959D · Substantial damageNTSB LAX92LA282Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Montague, CAThe disintegration of the left wheel during the landing roll out and the resultant inability of the pilot to maintain directional control of the aircraft. A factor in the accident was the soft nature of the terrain encountered by the aircraft after leaving…Jul 5, 1992 · N592C · Substantial damageNTSB CHI92LA148Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Olathe, KSThe in flight separation of the propeller tip. An associated factor is the rough and uneven terrain.May 12, 1992 · N9694K · Substantial damageNTSB DEN90LA152Accident · No injuriesLimited investigationFinal reportStinson 108 · Clovis, NMImproper installation of the right main wheel assembly.Jul 7, 1990 · N677C · Substantial damageNTSB ATL83LA023Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Exmore, VADuring flight, the pilot noticed a decrease in oil pressure and elected to land at an alternate airport. While en route, a complete loss of oil pressure occurred and the pilot executed an emergency landing in an open field. While on the landing roll, the…Nov 1, 1982 · N981C · Substantial damage