# NTSB investigations: AiResearch TPE331 series: Airframe/component/system failure/malfunction 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 MIA06FA120](https://openairdocs.org/ntsb/MIA06FA120.md): Mitsubishi MU-2B-60 · Fort Pierce, FL · Accident · 1 fatal · Field investigation · Final report · Jun 25, 2006 · N316PR · Destroyed > the pilot’s loss of aircraft control during the initial climb which was precipitated by the sudden loss of thrust and increase in drag from the right engine, and the pilot’s failure to adhere to the published emergency procedures regarding the position of the… - [NTSB DEN06IA056](https://openairdocs.org/ntsb/DEN06IA056.md): Swearingen SA226TC · Denver, CO · Incident · No injuries · Incident investigation · Final report · Apr 5, 2006 · N770S · No damage > the failure of the elevator down cable due to an improperly routed cable by unknown maintenance personnel. A contributing factor was the improper inspection of the elevator cable by the operator's maintenance personnel. - [NTSB CHI05LA071](https://openairdocs.org/ntsb/CHI05LA071.md): Twin Commander Acft. 680V · Fort Wayne, IN · Accident · No injuries · Limited investigation · Final report · Feb 11, 2005 · N688TM · Substantial damage > The malfunction of the landing gear extension assembly during approach for undetermined reasons. - [NTSB DEN03LA076](https://openairdocs.org/ntsb/DEN03LA076.md): Swearingen SA226TC · Denver, CO · Accident · No injuries · Limited investigation · Final report · Apr 16, 2003 · N229AM · Substantial damage > The failure of the landing gear system and the flight crew's failure to ascertain that the landing gear was down and locked. A contributing factor was the inadequate maintenance inspections performed by maintenance personnel. - [NTSB LAX02TA267](https://openairdocs.org/ntsb/LAX02TA267.md): Sikorsky S-55T · Lytle Creek, CA · Accident · No injuries · Final report · Aug 30, 2002 · N747A · Substantial damage > Failure of the hydraulic system due to contamination in the hydraulic fluid, which resulted in an in-flight loss of control. - [NTSB MIA98LA168](https://openairdocs.org/ntsb/MIA98LA168.md): Gulfstream American 690C · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · May 26, 1998 · N840V · Substantial damage > the left main landing gear failed to extend due to a jammed link assembly. - [NTSB MIA96IA114](https://openairdocs.org/ntsb/MIA96IA114.md): Mitsubishi MU-2G-30 · Columbia, SC · Incident · No injuries · Incident investigation · Final report · Apr 12, 1996 · N920S · Minor damage > failure of the nose landing gear bearing due to improper assembly and staking (inadequate quality control) by the manufacturer; which prevented the nose gear from retracting and the main gear from extending, and resulted in a subsequent landing on the nose… - [NTSB CHI96IA066](https://openairdocs.org/ntsb/CHI96IA066.md): Fairchild SA227-AC · Bemidji, MN · Incident · No injuries · Incident investigation · Final report · Dec 28, 1995 · N159MC · No damage > inadequate maintenance installation and inspection of the elevator flight control system which led to restricted flight control elevator movement due to a loose bolt. - [NTSB LAX95IA027](https://openairdocs.org/ntsb/LAX95IA027.md): Fairchild SA-227AC · Oakland, CA · Incident · No injuries · Incident investigation · Final report · Oct 29, 1994 · N191AF · No damage > the company maintenance personnel's improper installation of the aileron cable. - [NTSB CHI93FA378](https://openairdocs.org/ntsb/CHI93FA378.md): Aero Commander 690A · Lansing, MI · Accident · 2 fatal · Field investigation · Final report · Sep 27, 1993 · N242TC · Destroyed > was the pilot-in-command not maintaining aircraft control during the intermittent operation of the electrically operated attitude gyro. Factor's associated with this accident are an fluctuating (intermittent) electrical system inverter and the… - [NTSB CHI93IA382](https://openairdocs.org/ntsb/CHI93IA382.md): Fairchild SA-227-AC · Grand Rapids, MN · Incident · No injuries · Incident investigation · Final report · Aug 30, 1993 · N446MA · No damage > the fractured aileron cable and other maintenance personnel's inadequate maintenance/adjustment. - [NTSB BFO93IA057](https://openairdocs.org/ntsb/BFO93IA057.md): British Aerospace BAE3201 · Rochester, NY · Incident · No injuries · Incident investigation · Final report · Mar 23, 1993 · N496UE · Minor damage > Failure of the main cabin door to be adequately secured for flight for an unknown REAS0N. - [NTSB CHI91MA260](https://openairdocs.org/ntsb/CHI91MA260.md): British Aerospace 3201 · St Louis, MO · Accident · No injuries · Major investigation · Final report · Aug 12, 1991 · N339TE · Substantial damage > Failure 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 SEA90IA085](https://openairdocs.org/ntsb/SEA90IA085.md): Fairchild SA227 · Olympia, WA · Incident · Minor injuries · Incident investigation · Final report · May 23, 1990 · N27442 · Minor damage > Due to an ice build-up departing the propeller and striking the cabin window. - [NTSB BFO89IA047](https://openairdocs.org/ntsb/BFO89IA047.md): British Aerospace 3101 · Baltimore, MD · Incident · No injuries · Incident investigation · Final report · Jun 26, 1989 · N849JS · Minor damage > Failure of maintenance personnel to properly torque the power connection at the air conditioning system fuse. - [NTSB CHI88IA141](https://openairdocs.org/ntsb/CHI88IA141.md): Swearingen SA226-TC · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 22, 1988 · N329BA · No damage > Failure of the front motor bearing in the sas servo motor assembly, and the resultant 'jamming' of the elevator control cables. The pilot aborted the takeoff as a result of the vibration in the yoke. - [NTSB ATL84IA134](https://openairdocs.org/ntsb/ATL84IA134.md): Beech C90 · Herndon, VA · Incident · No injuries · Incident investigation · Final report · Mar 29, 1984 · N66KA · Minor damage > The acft entered an uncommanded dive at about 11,000 ft MSL, with recovery made below 2,000 ft MSL. Investigation revealed that during the descent, in order to accomodate other air traffic, the plt exceeded vne speeds. Shortly, thereafter the elevator trim… ## 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" = 130)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=01514&occurrence=130 --- 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.