NTSB investigations: Franklin 6A4150 series, MN

11 cases on aircraft whose registry engine model is Franklin 6A4150 series. 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

19662026
NTSB investigations: Franklin 6A4150 series, MN per year, 1966–2026: 11 cases
19661
19711
19751
19771
19811
19851
19871
19891
20132
20141

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.\"eventStateOrRegion\" = 'MN' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27024'))
  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 CEN14LA417Accident · No injuriesLimited investigationFinal reportStinson 108 1 · Bruno, MNThe total loss of engine power due to an anomaly with the carburetor system that could not be determined during postaccident examination.Jul 18, 2014 · N9034K · Substantial damageNTSB CEN13CA412Accident · No injuriesData collectionFinal reportUniversal Stinson 108-1 · Hector, MNThe pilot’s inadvertent application of the brakes and failure to main directional control of the airplane during the takeoff roll, which resulted in the airplane nosing over.Jul 14, 2013 · N855F · Substantial damageNTSB CEN13CA284Accident · No injuriesData collectionFinal reportStinson 108-1 · Cambridge, MNThe pilot’s loss of directional control while landing with a gusting crosswind.May 17, 2013 · N8931K · Substantial damageNTSB MKC89LA052Accident · No injuriesLimited investigationFinal reportStinson 108-1 · South St. Paul, MNThe failure of the pilot to maintain directional control of the airplane. Contributing to the accident were the crosswind conditions.Jan 16, 1989 · N8726K · Substantial damageNTSB CHI87LA155Accident · Minor injuriesLimited investigationFinal reportStinson 108-1 · Big Sandy Lake, MNThe engine stalled for undetermined reasons after the pilot made a wide circle turn. During a forced landing in a lake, the aircraft nosed over. The last annual aircraft inspection was 15 months prior to the date of the accident.Jun 21, 1987 · N40161 · Substantial damageNTSB CHI85LA260Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Roseau, MNThe plt intentionally ground looped the acft during a forced landing to avoid obstacles following a loss of power en route. Aprx 1 1/2 hrs into the flt the plt noticed an engine roughness followed by an increase in oil temp which returned to normal shortly…Jun 20, 1985 · N9070K · Substantial damageNTSB CHI81FER62Accident · No injuriesClosedStinson 108-1 · Wells, MNAug 18, 1981 · N9068K · Substantial damageNTSB MKC78DER05Accident · No injuriesClosedStinson 108-1 · Alexandria, MNOct 16, 1977 · N97834 · Substantial damageNTSB MKC75DER37Accident · No injuriesClosedStinson 108 · Vermillion, MNJan 5, 1975 · N97369 · Substantial damageNTSB MKC72FER15Accident · No injuriesClosedBellanca 14-13 · Effie, MNAug 11, 1971 · N86787 · Substantial damageNTSB MKC67D0171Accident · No injuriesClosedBellanca 14-13 · Fountain, MNAug 29, 1966 · N86719 · Substantial damage