NTSB investigations: Franklin 6A4165 series
9 cases on aircraft whose registry engine model is Franklin 6A4165 series, 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.
Cases per year
| 1994 | 1 |
|---|---|
| 1995 | 1 |
| 1996 | 2 |
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2007 | 1 |
Where
Open the mapLatest 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\" = 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.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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 NYC07CA101Accident · Minor injuriesData collectionFinal reportStinson 108-3 · Pompton Plains, NJA loss of engine power during the initial climb for undetermined reasons.NTSB FTW04LA171Accident · Serious injuriesLimited investigationFinal reportStinson 108-3 · Tulsa, OKThe loss of engine power for undetermined reasons.NTSB CHI03LA322Accident · Minor injuriesLimited investigationFinal reportStinson 108-3 · Lincoln, NEThe total loss of engine power due to the fatigue fracture of the engine accessory gear drive. A factor was the concrete marker.NTSB NYC02LA136Accident · Minor injuriesLimited investigationFinal reportStinson 108-2 · Lincoln Park, NJThe pilot's failure to abort the takeoff when diminished performance was noted. A factor was carburetor icing, accumulated before the takeoff attempt.NTSB CHI00LA187Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Topeka, KSthe restricted fuel line, and the pilot not attaining proper runway alignment during the forced landing. Factors were the low altitude at which the engine failure occurred, and the landing gear overload.NTSB FTW97LA035Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Tyler, TXa loss of engine power due to failure of the crankshaft. A factor was the lack of suitable terrain for the forced landing.NTSB ANC96LA046Accident · No injuriesLimited investigationFinal reportStinson ST-75 · Anchorage, AKThe pilot's failure to select the proper fuel tank prior to takeoff resulting in fuel starvation. A factor in the accident was the pilot's failure to follow the checklist.NTSB FTW95LA093Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Roanoke, TXLoss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB CHI94LA201Accident · Serious injuriesLimited investigationFinal reportAeronca 15AC · Napoleon, MIa loss of engine power for unknown reasons. A factor related tot he accident were the trees encountered.