NTSB investigations: Franklin 6V 350 series
9 cases on aircraft whose registry engine model is Franklin 6V 350 series, where the first occurrence was “Loss of control - on ground/water”. 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 | 1 |
|---|---|
| 1986 | 1 |
| 1990 | 1 |
| 1997 | 2 |
| 1999 | 1 |
| 2003 | 1 |
| 2005 | 2 |
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 ('27043')
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\" = 260))
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 ('27043')
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" = 260))
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 LAX05CA260Accident · No injuriesData collectionFinal reportMaule M-4-220C · Tucson, AZthe pilot's failure to maintain directional control.NTSB SEA05LA101Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Driggs, IDThe pilot's failure to compensate for wind conditions, which resulted in a ground loop/swerve during the landing roll. A crosswind was a factor.NTSB NYC03LA159Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Taunton, MAThe pilot's failure to maintain directional control while landing and the CFI's delayed remedial action.NTSB LAX99LA133Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Prescott, AZThe pilot's inadequate compensation for the crosswind condition, which led to a loss of directional control and an inadvertent ground loop.NTSB CHI97LA258Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Bemidgi, MNthe pilot's failure or inability to maintain directional control of the airplane, as a result of an undetermined anomaly concerning of the right main landing gear brake.NTSB FTW97LA205Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Englewood, COfailure of the pilot to maintain directional control of the airplane during the landing roll. The gusty crosswind condition was a related factor.NTSB SEA90LA145Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Missoula, MTPilot's failure to maintain directional control during the landing roll.NTSB SEA86LA164Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Juneau, AKThe acft veered left and ground looped during landing roll. The right main gear strut collapsed during the landing. The plt had 5 hours total flt time in this acft and stated the toe brakes seemed 'touchy' during the landing.NTSB MIA84LA103Accident · No injuriesLimited investigationFinal reportMaule M4-220 · Boca Raton, FLThe plt stated that while practicing touch & go's he lost directional control & the left landing gear collapsed.