NTSB investigations: AiResearch TPE331 series

13 cases on aircraft whose registry engine model is AiResearch TPE331 series, where the first occurrence was “Loss of engine power”. 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

19902026
NTSB investigations: AiResearch TPE331 series per year, 1990–2026: 13 cases
19901
19963
19991
20022
20031
20042
20061
20072

Latest 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\" = 350))
  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.

NTSB DFW08LA035Accident · No injuriesLimited investigationFinal reportAyres S2-R · Lenora, TXThe loss of engine power due to separation of the "P3" line from the engine's fuel control.Nov 1, 2007 · N32984 · Substantial damageNTSB DFW07CA150Accident · No injuriesData collectionFinal reportAyres S2R-G10 · Colorado City, TXThe loss of engine power due to an oil leak. A contributing factor was the lack of suitable terrain for the forced landing.Jul 6, 2007 · N2254S · Substantial damageNTSB ATL06LA119Accident · No injuriesLimited investigationFinal reportAyres S2R · Doerun, GAThe loss of engine power for an underdetermined reason, resulting in a forced landing, an on ground collision with trees, and a post crash fire.Aug 10, 2006 · N61224 · DestroyedNTSB DEN05FA034Accident · 2 fatalField investigationFinal reportMitsubishi MU-2B-60 · Englewood, COthe pilot's failure to maintain minimum controllable airspeed during the night visual approach resulting in a loss of control and uncontrolled descent into terrain. A contributing factor was the precautionary shutdown of the left engine for undetermined…Dec 11, 2004 · N538EA · DestroyedNTSB FTW04LA158Accident · Minor injuriesLimited investigationFinal reportRockwell International S-2R · Needville, TXThe loss of engine power and subsequent in-flight fire for undetermined reasons.Jun 10, 2004 · N4968X · Substantial damageNTSB FTW03LA159Accident · No injuriesLimited investigationFinal reportAyres S2R-G6 · Palestine, ARThe shearing of the torsion shaft which resulted in a loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.May 25, 2003 · N6136Z · Substantial damageNTSB FTW02LA258Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-302 · Lacompte, LAThe loss of engine power for undetermined reason. A contributing factor was the lack of suitable terrain available to the pilot for the forced landing, and low altitude maneuvering.Sep 13, 2002 · N8843S · Substantial damageNTSB FTW03IA073Incident · No injuriesIncident investigationFinal reportMitsubishi MU-2B-60 · Memphis, TNthe loss of right engine power as a result of a fatigue failure of the propeller shaft coupling.Aug 20, 2002 · N610CA · No damageNTSB ATL99LA054Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-20 · Knoxville, TNA loss of engine power for undetermined reasons. Contributing to the accident was the failure of the landing gear to extend for undetermined reasons.Mar 12, 1999 · N176BJ · Substantial damageNTSB SEA96LA176Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Belgrade, MTloss of engine power for undetermined reason(s). A factor relating to the accident was: a ditch in the field where the forced landing was executed.Aug 3, 1996 · N9853 · Substantial damageNTSB FTW96LA215Accident · Minor injuriesLimited investigationFinal reportMitsubishi MU-2B-40 · Houston, TXfailure of the pilot to obtain/maintain proper airspeed and flap setting for single engine flight. A factor relating to the accident was: Loss of power in the left engine for an undetermined reason.May 16, 1996 · N40AM · Substantial damageNTSB ATL96LA078Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B · Batesville, MSan anomaly in the fuel system that allowed a pressure differential to occur between the center and outer portions of the main integral fuel tank, which in turn resulted in fuel starvation of both engines. A factor relating to the accident was: failure of…Apr 7, 1996 · N310MA · Substantial damageNTSB DEN90LA047Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-25 · Broomfield, COLoss of directional control by the pilot, during takeoff ground run. Contributing to this accident were a loss of power on the left engine due to snow ingestion, heavy snow showers in progress and an icy, snow covered runway.Jan 19, 1990 · N99SR · Substantial damage