Major NTSB investigations: AiResearch TPE331 series
9 cases on aircraft whose registry engine model is AiResearch TPE331 series. 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 |
|---|---|
| 1985 | 1 |
| 1987 | 1 |
| 1991 | 1 |
| 2004 | 2 |
| 2006 | 2 |
| 2025 | 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.board_report_url IS NOT NULL OR c.\"investigationClass\" = 'Class 1' OR c.\"caseType\" = 'Major - Launch')
AND 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'))
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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
AND 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'))
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 WPR25MA128Accident · 6 fatalClass 3 · MajorPreliminary reportMitsubishi MU-2B-40 · Copake, NYOn April 12, 2025, about 1203 eastern daylight time, a Mitsubishi MU-2B-40, N635TA, was destroyed when it was involved in an accident near Copake, New York. The pilot and five passengers were fatally injured. The airplane was operated as a Title 14 Code of…NTSB DEN06MA119Accident · 1 fatalMajor investigationFinal reportMitsubishi MU-2B-35 · Argyle, FLthe pilot's inadvertent flight into thunderstorm activity that resulted in the loss of control, design limits of the airplane being exceeded and subsequent in-flight breakup. A contributing factor was the failure of air traffic control to use available radar…NTSB NYC06MA208Accident · 2 fatalMajor investigationFinal reportMitsubishi MU-2B-40 · Bunnell, FLThe pilot's inadvertent encounter with thunderstorms.NTSB IAD05FA023Accident · 6 fatalClass 1 · FieldFinal reportCASA 212-200-CC · Bamiyan, Afghanistanthe captain's inappropriate decision to fly a nonstandard route and his failure to maintain adequate terrain clearance, which resulted in the inflight collision with mountainous terrain. Factors were the operator's failure to require its flight crews to file…NTSB DCA05MA004Accident · 13 fatalClass 1 · MajorFinal reportBritish Aerospace Jetstream 32 · Kirksville, MOthe pilots' failure to follow established procedures and properly conduct a nonprecision instrument approach at night in IMC, including their descent below the minimum descent altitude (MDA) before required visual cues were available (which continued…NTSB CHI91MA260Accident · No injuriesMajor investigationFinal reportBritish Aerospace 3201 · St Louis, MOFailure of the pilot(s) to follow the correct emergency procedure. Factors related to this accident were: inadequate system design by the manufacturer, which allowed hydraulic line vibration, fatigue failure of the line, and loss of fluid from the normal…NTSB DCA87MA030Accident · 2 fatalMajor investigationFinal reportCASA C-212-CC · Mayaguez, PRAfter several maintenance adjustments of the right propeller and flight idle fuel flow, the aircraft was test flown and released for flight. Several pilots continued to note descrepancies concerning the right propeller system. Adjustments were made and the…NTSB CHI86MA025Accident · 5 fatalMajor investigationFinal reportCessna 441 · Derry, PADrg arrival, the plt was advised the destn wx was: estd 500' overcast, vis 1 mi with fog, arpt blo mins. The plt electedto make an NDB rwy 23 apch, but said he would divert if a missed apch was made. He was provided radar vectors & was clrdfor the apch. At…NTSB DEN84MA266Accident · 4 fatalMajor investigationFinal reportAero Commander 690 · Little America, WYAbout 10 min after takeoff at 1005 MDT, the plt was cleared to climb to FL 190. This was atc's last communication with the acft. At 1030:39, the controller attempted to contact the plt to advise that he had lost radar contact & to recycle the transponder &…