NTSB investigations: AiResearch TPE331 series
8 cases on aircraft whose registry engine model is AiResearch TPE331 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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
| 1983 | 1 |
|---|---|
| 1992 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 2 |
| 2001 | 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 ('01514', '01517')
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\" = 351))
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 ('01514', '01517')
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" = 351))
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 FTW01FA111Accident · 2 fatalField investigationFinal reportMitsubishi MU-2B-40 · The Woodlands, TXThe pilot's failure to maintain airplane control following a loss of right engine power, which resulted in impact with terrain in an uncontrolled descent. A contributing factor was the loss of right engine power as a result of the fatigue failure of the…NTSB NYC00IA159Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE Jetstream 3201 · Lexington, KYA misalignment between the bull gear and high speed pinion gearshaft, which resulted in fatigue and a subsequent failure of the bull gear.NTSB FTW00LA118Accident · No injuriesLimited investigationFinal reportAyres S2R-G6 · Oak Grove, LAThe failure of a spur gear from the torque sensor gear assembly resulting in a loss of engine power. A factor was the muddy terrain encountered during the forced landing.NTSB LAX98IA218Incident · No injuriesIncident investigationFinal reportAero Commander 681B · Reno, NVThe failure and separation of the first and third stage turbine disks for undetermined reasons.NTSB FTW97LA170Accident · No injuriesLimited investigationFinal reportAyres S2R-G6 · El Dorado, ARThe pilot misjudging his altitude above the airport, resulting in not attaining the proper touchdown point. A factor was the separation of teeth from the aft gear of the spur gear assembly, which resulted in the interruption of fuel.NTSB FTW96IA248Incident · No injuriesIncident investigationFinal reportFairchild SA227-DC · Enid, OKfailure of the accessory drive bearing, causing the accessory drive gear teeth to shear and disengage the fuel pump accessory drive shaft, resulting in a disabled fuel pump and subsequent fuel starvation.NTSB LAX92LA131Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Vernalis, CAThe operator's failure to properly comply with an airworthiness directive affecting the second-stage turbine wheel assembly. Contributing to this accident was the uncontained failure of the second-stage turbine wheel and the rough/uneven terrain.NTSB MKC83IA078Incident · No injuriesIncident investigationFinal reportAero Commander 680W · Kansas City, KSThe number 2 engine failed in cruise flight. Durng descent the landing gear failed to extend. The pilot landed intentional gear up in the sod area adjacent to the runway.