NTSB investigations: Piper PA-25-235
7 cases on aircraft the registry lists as Piper PA-25-235, where the defining event was Loss of engine power (total). 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
| 2009 | 2 |
|---|---|
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 1 |
| 2017 | 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.aircraft_model_code IN ('7102504')
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\" = '341'))
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.aircraft_model_code IN ('7102504')
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" = '341'))
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 CEN17LA372Accident · No injuriesLimited investigationFinal reportPiper PA 25-235 · Westphalia, KSA total loss of engine power due to a fatigue failure of the crankshaft that resulted from main bearing shift and lack of lubrication.NTSB CEN15LA297Accident · Serious injuriesLimited investigationFinal reportPiper PA 25-235 · Galveston, TXThe loss of engine power due to a failure of a crankshaft idler gear shaft.NTSB ERA13LA174Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Panama City, FLA loss of preload to the crankshaft gear attachment bolt, resulting in rotation of the crankshaft gear and a subsequent total loss of engine power. The root cause for the loss of preload could not be determined during a postaccident examination of the…NTSB ERA12LA474Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Westerly, RIA total loss of engine power for reasons that could not be determined due to the postaccident salt water-damaged state of the engine.NTSB CEN12LA437Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Mott, NDThe rupture of a corroded oil line, which resulted in a total loss of engine power due to oil starvation.NTSB ERA09LA490Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Bainbridge, GAA total loss of engine power due to the loss of camshaft timing as a result of the displacement of the idler gear assembly.NTSB ERA09LA380Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Westerly, RIThe pilot's failure to use carburetor heat resulting in a complete loss of engine power due to carburetor icing.