NTSB investigations: Franklin 6A4150 series
21 cases on aircraft whose registry engine model is Franklin 6A4150 series, where the defining event was Loss of control on ground. 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
| 2010 | 1 |
|---|---|
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 4 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 3 |
| 2026 | 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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '230'))
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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '230'))
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 WPR26LA313Accident · No injuriesClass 4 · LimitedInvestigation openStinson 108-1 · Joseph, ORNTSB WPR23LA359Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-1 · San Diego, CAThe pilot’s failure to maintain directional control during landing in gusty wind conditions that resulted in a ground loop.NTSB WPR23LA271Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-1 · Burlington, WAThe pilot’s failure to maintain directional control during the landing roll with a quartering tailwind.NTSB WPR23LA109Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-1 · Morgan, UTThe pilot’s failure to maintain directional control during landing.NTSB WPR21LA289Accident · Minor injuriesClass 4 · LimitedFinal reportStinson 108-1 · Bozeman, MTThe pilot’s failure to maintain directional control during landing which resulted in a ground loop.NTSB WPR20CA168Accident · No injuriesClass 4 · Data collectionFinal reportStinson 108 · Yakima, WAThe pilot's failure to maintain directional control of the airplane during an aborted landing, which resulted in a ground loop, runway excursion, and subsequent nose over.NTSB GAA18CA238Accident · No injuriesData collectionFinal reportStinson 108 · Spokane, WAThe pilot’s failure to maintain directional control during landing.NTSB GAA18CA165Accident · No injuriesData collectionFinal reportBellanca 1413 · Anacortes, WAThe pilot’s failure to maintain directional control during landing.NTSB CEN17LA023Accident · No injuriesLimited investigationFinal reportStinson 108 · Austin, TXThe pilot’s failure to maintain directional control while landing in gusting wind conditions.NTSB ERA16LA173Accident · No injuriesLimited investigationFinal reportUniversal Stinson 108 · Calverton, NYThe pilot's failure to maintain directional control during the landing roll.NTSB GAA16CA090Accident · No injuriesData collectionFinal reportStinson 108 · Portales, NMThe pilot receiving instruction's improper brake application during the flight instructor's aborted landing, which resulted in a loss of directional control and a runway excursion. Contributing to the accident was the flight instructor's decision to perform…NTSB ERA13CA422Accident · No injuriesData collectionFinal reportUniversal Stinson 108 1 · Lawrenceville, GAThe pilot's failure to maintain directional control during the landing, resulting in a ground loop, runway excursion, and structural damage to the right wing.NTSB 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.NTSB CEN13CA317Accident · No injuriesData collectionFinal reportStinson 108 · Lebanon, INThe pilot did not maintain control of the airplane during the landing roll.NTSB CEN13CA284Accident · No injuriesData collectionFinal reportStinson 108-1 · Cambridge, MNThe pilot’s loss of directional control while landing with a gusting crosswind.NTSB ANC12CA104Accident · No injuriesData collectionFinal reportStinson 108-2 · Nikiski, AKThe pilot's selection of an unsuitable landing surface, which resulted in a loss of control during the landing roll.NTSB ERA12CA529Accident · No injuriesData collectionFinal reportStinson 108-2 · Winter Haven, FLThe pilot’s failure to maintain directional control during the takeoff, which resulted in a runway excursion.NTSB WPR12LA045Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Boulder City, NVThe pilot's failure to maintain directional control while taxiing with a gusting crosswind.NTSB WPR11CA345Accident · No injuriesData collectionFinal reportStinson 108-1 · Moses Lake, WAThe pilot's failure to maintain directional control during an aborted takeoff.NTSB WPR11CA165Accident · No injuriesData collectionFinal reportBellanca 14-13-2 · Mesquite, NVThe malfunction of the brake system which led to the pilot's failure to maintain directional control during the landing roll.NTSB ANC10CA051Accident · No injuriesData collectionFinal reportStinson 108-1 · Galena, AKThe pilot's failure to maintain directional control during takeoff, resulting in a ground-loop, and collapse of the right main landing gear.