NTSB investigations: Franklin 6A4150 series
9 cases on aircraft whose registry engine model is Franklin 6A4150 series, where the first occurrence was “Loss of control - in flight”. 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
| 1984 | 2 |
|---|---|
| 1987 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 2002 | 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 ('27024')
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\" = 250))
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 ('27024')
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" = 250))
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 LAX07CA152Accident · No injuriesData collectionFinal reportStinson 108 · Auburn, CAThe pilot's failure to maintain an adequate airspeed during an aborted landing that resulted in a stall/mush.NTSB CHI03LA037Accident · 1 fatalLimited investigationFinal reportStinson 108-1 · Frankenmuth, MIThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.NTSB DEN92LA061Accident · Serious injuriesLimited investigationFinal reportStinson 108-1 · Falcon, COInadvertent stall during initial climb following takeoff.NTSB LAX92LA013Accident · No injuriesLimited investigationFinal reportStinson 108-8 · Susanville, CAAn inadvertent stall due to the failure of the pilot to maintain a correct airspeed during the approach.NTSB CHI91LA251Accident · Minor injuriesLimited investigationFinal reportStinson 108-1 · Elwood, INA premature lift-off which resulted in a mush/stall. A factor related to the accident was lack of total experience in type of operation.NTSB ANC90LA140Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Fareweel, AKThe pilot's decision to takeoff downwind.NTSB LAX87LA194Accident · Minor injuriesLimited investigationFinal reportStinson 108 · Healdsburg, CADuring what was supposed to be a taxi test, the plt decided to takeoff when he lost control of the acft. The acft veered to the right off the rwy and collided with the terrain. The plt had flown the acft for the first time with the owner the day before the…NTSB LAX85FA038Accident · 1 fatalField investigationFinal reportStinson Voyager 150 · Meadow Vista, CAThe acft collided with terrain while maneuvering northeast of auburn airport during a VFR personal flt. The plt advised sacramento TRACON that he had auburn arpt in sight. However, TRACON observed N97638 fly over & pass auburn arpt in a northerly direction &…NTSB SEA84FA032Accident · 1 fatalField investigationFinal reportStinson 108-1 · Vashon, WAJust after taking off in IMC at night, the acft crashed near the departure end of rwy 36. According to a witness, the acft climbed after takeoff to about 200 ft above the trees, then entered a descent & disappeared behind a tree line. After crashing, the acft…