# NTSB investigations: AiResearch TPE331 series: Loss of engine power NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB DFW08LA035](https://openairdocs.org/ntsb/DFW08LA035.md): Ayres S2-R · Lenora, TX · Accident · No injuries · Limited investigation · Final report · Nov 1, 2007 · N32984 · Substantial damage > The loss of engine power due to separation of the "P3" line from the engine's fuel control. - [NTSB DFW07CA150](https://openairdocs.org/ntsb/DFW07CA150.md): Ayres S2R-G10 · Colorado City, TX · Accident · No injuries · Data collection · Final report · Jul 6, 2007 · N2254S · Substantial damage > The loss of engine power due to an oil leak. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB ATL06LA119](https://openairdocs.org/ntsb/ATL06LA119.md): Ayres S2R · Doerun, GA · Accident · No injuries · Limited investigation · Final report · Aug 10, 2006 · N61224 · Destroyed > The loss of engine power for an underdetermined reason, resulting in a forced landing, an on ground collision with trees, and a post crash fire. - [NTSB DEN05FA034](https://openairdocs.org/ntsb/DEN05FA034.md): Mitsubishi MU-2B-60 · Englewood, CO · Accident · 2 fatal · Field investigation · Final report · Dec 11, 2004 · N538EA · Destroyed > the 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… - [NTSB FTW04LA158](https://openairdocs.org/ntsb/FTW04LA158.md): Rockwell International S-2R · Needville, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 2004 · N4968X · Substantial damage > The loss of engine power and subsequent in-flight fire for undetermined reasons. - [NTSB FTW03LA159](https://openairdocs.org/ntsb/FTW03LA159.md): Ayres S2R-G6 · Palestine, AR · Accident · No injuries · Limited investigation · Final report · May 25, 2003 · N6136Z · Substantial damage > The 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. - [NTSB FTW02LA258](https://openairdocs.org/ntsb/FTW02LA258.md): Air Tractor AT-302 · Lacompte, LA · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 2002 · N8843S · Substantial damage > The 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. - [NTSB FTW03IA073](https://openairdocs.org/ntsb/FTW03IA073.md): Mitsubishi MU-2B-60 · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Aug 20, 2002 · N610CA · No damage > the loss of right engine power as a result of a fatigue failure of the propeller shaft coupling. - [NTSB ATL99LA054](https://openairdocs.org/ntsb/ATL99LA054.md): Mitsubishi MU-2B-20 · Knoxville, TN · Accident · No injuries · Limited investigation · Final report · Mar 12, 1999 · N176BJ · Substantial damage > A loss of engine power for undetermined reasons. Contributing to the accident was the failure of the landing gear to extend for undetermined reasons. - [NTSB SEA96LA176](https://openairdocs.org/ntsb/SEA96LA176.md): Grumman-Schweizer G-164A · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Aug 3, 1996 · N9853 · Substantial damage > loss 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. - [NTSB FTW96LA215](https://openairdocs.org/ntsb/FTW96LA215.md): Mitsubishi MU-2B-40 · Houston, TX · Accident · Minor injuries · Limited investigation · Final report · May 16, 1996 · N40AM · Substantial damage > failure 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. - [NTSB ATL96LA078](https://openairdocs.org/ntsb/ATL96LA078.md): Mitsubishi MU-2B · Batesville, MS · Accident · No injuries · Limited investigation · Final report · Apr 7, 1996 · N310MA · Substantial damage > an 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… - [NTSB DEN90LA047](https://openairdocs.org/ntsb/DEN90LA047.md): Mitsubishi MU-2B-25 · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Jan 19, 1990 · N99SR · Substantial damage > Loss 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. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=01514&occurrence=350 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.