NTSB investigations: Franklin 6A4150 series, TX
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
| 1965 | 1 |
|---|---|
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1976 | 1 |
| 1988 | 1 |
| 1999 | 1 |
| 2011 | 1 |
| 2016 | 1 |
| 2025 | 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.\"eventStateOrRegion\" = 'TX' 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.
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" = 'TX' 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" 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 CEN25LA243Accident · Serious injuriesClass 4 · LimitedFinal reportStinson 108 · Seguin, TXThe pilot’s failure to turn off the magneto switch before repositioning the propeller by hand which resulted in an inadvertent engine start.NTSB CEN17LA023Accident · No injuriesLimited investigationFinal reportStinson 108 · Austin, TXThe pilot’s failure to maintain directional control while landing in gusting wind conditions.NTSB CEN11FA247Accident · 3 fatalField investigationFinal reportStinson 108 · Dickens, TXThe non-instrument rated pilot's decision to fly in night instrument meteorological conditions.NTSB FTW00LA027Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Terrell, TXThe pilot's failure to maintain aircraft control during landing.NTSB FTW89LA020Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Powderly, TXThe pilot was receiving his biennial flight review and was on approach to the airport when he heard a loud snap and lost elevator control. He was able to put the airplane down on the runway, but could not get the tail down. When he applied the brakes, the…NTSB FTW76FRG56Accident · No injuriesClosedStinson 108-1 · Killeen, TXNTSB FTW71DQG37Accident · No injuriesClosedStinson 108 · Shallowater, TXNTSB FTW69F0448Accident · Minor injuriesClosedStinson 108-1 · Pearland, TXNTSB FTW68D0512Accident · No injuriesClosedBellanca 14-13 · Littlefield, TXNTSB FTW68F0178Accident · Serious injuriesClosedBellanca 14-13 · Austin, TXNTSB FTW66D0271Accident · No injuriesClosedStinson 108-1 · Houston, TX