# NTSB investigations: AiResearch TPE331 series

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.

Page 4 of 5 · 223 cases

## Cases, newest first

- [NTSB CHI96LA053](https://openairdocs.org/ntsb/CHI96LA053.md): Swearingen SA-226AT · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Dec 15, 1995 · N31AT · Substantial damage
  > the pilot's failure to extend the landing gear. A factor in the accident was the pilot's diverted attention.
- [NTSB NYC96LA026](https://openairdocs.org/ntsb/NYC96LA026.md): Fairchild Merlin Iiia · Butler, PA · Accident · No injuries · Limited investigation · Final report · Nov 7, 1995 · N636SP · Substantial damage
  > failure of the pilot to perform a missed approach, when the airplane was not properly aligned with the landing runway; and his failure to properly flare the airplane, which resulted in a hard landing.
- [NTSB LAX95FA338](https://openairdocs.org/ntsb/LAX95FA338.md): Swearingen SA-226T · Chino, CA · Accident · Minor injuries · Field investigation · Final report · Sep 18, 1995 · N693PG · Destroyed
  > The pilot's improper IFR procedure by not initiating a missed approach at the outer marker, by attempting to intercept the glideslope from above after passing the outer marker, and by allowing the airplane to continue descending after reaching the decision…
- [NTSB LAX95LA269](https://openairdocs.org/ntsb/LAX95LA269.md): Rockwell S-2R · Tulare, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 26, 1995 · N5035X · Destroyed
  > failure of the pilot to see and avoid power lines along his route of flight.
- [NTSB NYC95WA109](https://openairdocs.org/ntsb/NYC95WA109.md): Cessna 441 · Bayrouth, Germany · Accident · No injuries · Foreign investigation · May 15, 1995 · N6840T · Substantial damage
- [NTSB MIA95WA063](https://openairdocs.org/ntsb/MIA95WA063.md): Swearingen SA-226-TC · Neuquen, Argentina · Accident · No injuries · Foreign investigation · Jan 16, 1995 · N622SP · Minor damage
- [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 MIA94LA166](https://openairdocs.org/ntsb/MIA94LA166.md): British Aerospace BAE 3201 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Jun 24, 1994 · N495UE · Substantial damage
  > Inadvertent deactivation of the parking brake by the pilot-in-command. Contributing to the accident was the worn condition of the parking brake assembly.
- [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 LAX93FA333](https://openairdocs.org/ntsb/LAX93FA333.md): Aero Commander 690A · Bishop, CA · Accident · No injuries · Field investigation · Final report · Aug 26, 1993 · N706KC · Substantial damage
  > a loss of control and upset due to an inadequate adjustment of the ailerons and aileron trim tab by company maintenance personnel that resulted in a partial failure of the right horizontal stabilizer.
- [NTSB FTW93LA220](https://openairdocs.org/ntsb/FTW93LA220.md): Rockwell S-2R · Elaine, AR · Accident · No injuries · Limited investigation · Final report · Jul 30, 1993 · N8842Q · Substantial damage
  > The pilot's failure to maintain clearance of water spraying and the resultant power loss. A factor was unsuitable terrain for the forced landing.
- [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 BFO93FA049](https://openairdocs.org/ntsb/BFO93FA049.md): British Aerospace BAE 3101 · Beckley, WV · Accident · Minor injuries · Field investigation · Final report · Mar 18, 1993 · N159PC · Substantial damage
  > Failure of the captain to assure proper alignment with the plowed portion of the runway (or perform a missed approach). Factors related to the accident were: darkness, the adverse weather condition, inadequate removal of snow from the runway with snow along…
- [NTSB ANC92IA100](https://openairdocs.org/ntsb/ANC92IA100.md): Fairchild SA227-AC · Dillingham, AK · Incident · No injuries · Incident investigation · Final report · Jun 26, 1992 · N620PA · 2 aircraft · No damage
  > The pilot in command's failure to maintain a visual lookout. Factors were the drizzle and fog and the impossibility of updating the recorded weather information by ATC personnel.
- [NTSB NYC92LA128](https://openairdocs.org/ntsb/NYC92LA128.md): Fairchild SA-227AC · Boston, MA · Accident · No injuries · Limited investigation · Final report · Jun 25, 1992 · N2691W · Substantial damage
  > The loss of airplane control during a crosswind landing resulting in a hard bounced landing and a collision with the runway.
- [NTSB LAX92TL#06](https://openairdocs.org/ntsb/LAX92TL%2306.md): Mitsubishi MU2B-36 · Edwards Afb, CA · Accident · No injuries · Class 3 · Final report · May 18, 1992 · N742FN · Substantial damage
- [NTSB NYC92LA083](https://openairdocs.org/ntsb/NYC92LA083.md): Fairchild SA-227AC · Lexington, KY · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1992 · N27465 · Substantial damage
  > Attempted suicide by the vehicle driver.
- [NTSB LAX92LA131](https://openairdocs.org/ntsb/LAX92LA131.md): Grumman G-164A · Vernalis, CA · Accident · No injuries · Limited investigation · Final report · Feb 29, 1992 · N5408 · Substantial damage
  > The 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 CHI92LA038](https://openairdocs.org/ntsb/CHI92LA038.md): Swearingen SA-226T · Iowa, IA · Accident · No injuries · Limited investigation · Final report · Dec 3, 1991 · N14TP · Substantial damage
  > The pilot's failure to extend the landing gear which resulted in the propeller blades contacting the runway during the landing. A factor related to the accident was the pilot's failure to follow a checklist during the approach.
- [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 SEA91LA191](https://openairdocs.org/ntsb/SEA91LA191.md): Grumman G-164A · Hamer, ID · Accident · No injuries · Limited investigation · Final report · Jul 24, 1991 · N6702Q · Substantial damage
  > The pilot's failure to maintain runway aligment. Factors include high vegetation, and an inadverent ground loop/swerve.
- [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 CHI90LA114](https://openairdocs.org/ntsb/CHI90LA114.md): Rockwell AC-690 · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Apr 18, 1990 · N57175 · Substantial damage
  > Failure of the pilot to complete the landing checklist and lower the landing gear. Contributing to this accident is habit pattern interference and distraction.
- [NTSB NYC90LA066](https://openairdocs.org/ntsb/NYC90LA066.md): Mitsubishi MU-2B-35 · Teterboro, NJ · Accident · No injuries · Limited investigation · Final report · Feb 9, 1990 · N349MA · 2 aircraft · Substantial damage
  > The pilot of N349MA failed to see and avoid another airplane taxiing in the same direction.
- [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.
- [NTSB DEN90FA042](https://openairdocs.org/ntsb/DEN90FA042.md): Fairchild SA227-AC · Elko, NV · Accident · Serious injuries · Field investigation · Final report · Jan 15, 1990 · N2721M · Substantial damage
  > Improper IFR procedure by the captain, and inadequate monitoring of the approach by the first officer, which resulted in a failure to maintain proper altitude during the approach. Factors related to the accident were: the terrain and weather conditions at the…
- [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 NYC89IA123](https://openairdocs.org/ntsb/NYC89IA123.md): Fairchild Swearingen SA-227AC · New York, NY · Incident · No injuries · Incident investigation · Final report · Apr 23, 1989 · N3044J · 2 aircraft · No damage
  > The failure of the swearingen flight crew to properly identify the airplane they were to follow, prior to accepting the visual approach to runway 31R.
- [NTSB MKC89LA081](https://openairdocs.org/ntsb/MKC89LA081.md): Rockwell S2R T34 · Heth, AR · Accident · No injuries · Limited investigation · Final report · Mar 17, 1989 · N4968X · Substantial damage
  > Aircraft control not maintained by the pilot in command due to landing in a tailwind of excessive velocity which the pilot misjudged or failed to recognize.
- [NTSB DCA89LA012](https://openairdocs.org/ntsb/DCA89LA012.md): Mitsubishi MU-2J · Missing (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Dec 9, 1988 · N296MA · Destroyed
  > During a flt at night from majuro, marshall islands to cairns, australia, the plt requested a dscnt from FL 190 to 12,000 to remove ice from the airframe. Later, he requested a climb to FL 200. After starting the climb, he made a mayday call to sidney flt…
- [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 CHI88IA097](https://openairdocs.org/ntsb/CHI88IA097.md): Fairchild SA-226-TC · Bloomington, IL · Incident · Minor injuries · Incident investigation · Final report · Apr 11, 1988 · N332BA · No damage
  > Physical incapacitation due to an organic pathogen. Contributing factors are anxiety and self-induced pressure.
- [NTSB DCA87MA030](https://openairdocs.org/ntsb/DCA87MA030.md): CASA C-212-CC · Mayaguez, PR · Accident · 2 fatal · Major investigation · Final report · May 8, 1987 · N432CA · Destroyed
  > After 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 MKC87LA080](https://openairdocs.org/ntsb/MKC87LA080.md): Fairchild SA-227 · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Apr 7, 1987 · N26863 · Substantial damage
  > On April 6, 1987 a crew operating a metro iii, commuter acft noticed damage on both eng nacelles during a preflt insp. The commuter operator chief pilot was notified and an on site insp was made. The crew originally rptng the damage claimed they were not at…
- [NTSB CHI86FA172](https://openairdocs.org/ntsb/CHI86FA172.md): Cessna 441 · Norton Shores, MI · Accident · 3 fatal · Field investigation · Final report · Jul 16, 1986 · N6857E · Destroyed
  > N6857E was transporting executives from holland, MI, to muskegon. The pilot was executing an asr approach to runway 06. The mda is 537 ft AGL. Co-pilot called out 1200 feet then below 1000 feet, pilot continued approach. Aircraft struck trees two miles from…
- [NTSB FTW86LA120](https://openairdocs.org/ntsb/FTW86LA120.md): Beech E18S · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Jun 24, 1986 · N2001C · 2 aircraft · Minor damage
  > A swearingen SA-226TC, N516SS, was lndd at ngt on rwy 17L. After lndg, the flt crew exited onto taxiway-E3 (TWY-E3), where they were instructed by tower to hold. A Beech E18S, N2001C, was then lndd on the same rwy (rwy 17L) & its plt also exited onto TWY-E3.…
- [NTSB CHI86MA025](https://openairdocs.org/ntsb/CHI86MA025.md): Cessna 441 · Derry, PA · Accident · 5 fatal · Major investigation · Final report · Nov 11, 1985 · N59MD · Destroyed
  > Drg 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 FTW85LAMS2](https://openairdocs.org/ntsb/FTW85LAMS2.md): Swearingen SA-226T · Missing · Accident · 1 fatal · Final report · Sep 17, 1985 · N3RB · Destroyed
  > A distress message was received from the pilot stating he was 100 miles south of grand isle, LA, and had lost an eng andwas unable to maintain altitude. A second message was received shortly afterwards stating that the aircraft was at 1500 feet and the pilot…
- [NTSB ATL85LKG08](https://openairdocs.org/ntsb/ATL85LKG08.md): Schweizer AG CAT · Samson, AL · Accident · No injuries · Final report · Jul 26, 1985 · N3629K · Substantial damage
  > The acft was damaged in a forced lndg after a pwr loss during a swath run. During the ldg a pwr line was struck and the acft was pulled sideways which caused a groundloop and resulted in damages. Lyon flying services of welsh la dismantled the eng & found no…
- [NTSB CHI85LA265](https://openairdocs.org/ntsb/CHI85LA265.md): Grumman-Schweizer G-164B · Thief River Fl, MN · Accident · No injuries · Limited investigation · Final report · Jul 3, 1985 · N8400K · Destroyed
  > The acft collided with the ground shortly after takeoff about 800 ft from the end of the rwy. The plt stated that at about 5 pt afl the acft stalled and fell into a field off the end of the rwy.
- [NTSB MKC85IA057](https://openairdocs.org/ntsb/MKC85IA057.md): Swearingen SA-226-TC · Berkeley, MO · Incident · No injuries · Incident investigation · Final report · Feb 14, 1985 · N328BA · No damage
  > Crew accomplished descent checklist. Checklist was approved manufacturer's checklist. Descent was made through 2500 footthick clouds with OAT below freezing without auto-ignition switch on auto/continuous position. Both engines quit on final approach.…
- [NTSB NYC85IA063](https://openairdocs.org/ntsb/NYC85IA063.md): CASA SAC-212-200 · Atlantic City, NJ · Incident · No injuries · Incident investigation · Final report · Feb 6, 1985 · N296CA · Minor damage
  > A construcciones sac 212-200 N296CA lost control during landing flare and landed hard on the grass along side runway 11 at bader field, new jersey, after all of the landing checks were completed the copilot pushed full forward the speed levers and called out…
- [NTSB ATL85LA076](https://openairdocs.org/ntsb/ATL85LA076.md): Beech C90 · Winston Salem, NC · Accident · No injuries · Limited investigation · Final report · Jan 6, 1985 · N66KA · Substantial damage
  > During takeoff roll, at rotation, acft contacted a large dog which was on the rwy. Plt had good visibility except for light condition. Acdt occurred at night. Arpt perimeter is fenced but there are many gates, some of which remain open at night. Many dogs…
- [NTSB FTW85FA086](https://openairdocs.org/ntsb/FTW85FA086.md): Cessna 441 · Marble Falls, TX · Accident · 1 fatal · Field investigation · Final report · Dec 26, 1984 · N441CM · Destroyed
  > The acft crashed aprx 1.5 miles south of the departure end of rwy 17 during an attempted rwy 17 NDB apch. The acft was cleared for the apch at 2012 CST and the plt canceled IFR reporting the arpt in sight at 2014. A witness located aprx 1 mile south of the…
- [NTSB DEN84MA266](https://openairdocs.org/ntsb/DEN84MA266.md): Aero Commander 690 · Little America, WY · Accident · 4 fatal · Major investigation · Final report · Aug 25, 1984 · N9150N · Destroyed
  > About 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 &…
- [NTSB FTW84LA228](https://openairdocs.org/ntsb/FTW84LA228.md): Rockwell S-2R · Bay City, TX · Accident · 1 fatal · Limited investigation · Final report · May 10, 1984 · N8481V · Substantial damage
  > While spraying a field with propanel & modown grass killers, the plt was crossing below a high tension power line. The vertical stabilizer contacted the lowest wire which tore loose the vertical stabilizer. The acft pitched nose up, then it dove down, crashed…
- [NTSB DCA84AA022](https://openairdocs.org/ntsb/DCA84AA022.md): Mitsubishi MU-2B-60 · Burlington, CT · Accident · 1 fatal · Final report · Apr 20, 1984 · N466MA · Destroyed
  > The acft was flown earlier in the day for a sales demonstration. On the return flt, when the landing gear were lowered, the plt thought he heard a noise emitting from the gear, although cockpit indications were normal. The acft landed at johnnycake arpt & was…
- [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…
- [NTSB DCA84AA015](https://openairdocs.org/ntsb/DCA84AA015.md): Swearingen SA226TC · Terre Haute, IN · Accident · 3 fatal · Final report · Jan 30, 1984 · N63Z · Destroyed
  > After taking off from rwy 23, the acft crashed ssw of the arpt about 6300 ft from the departure end of the rwy & about 1800 ft to the left of the rwy centerline. Impact occurred while the acft was in a steep descent. The wreckage path was scattered along a…

Next page: https://openairdocs.org/ntsb.md?engine=01514&page=5

## 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&page=4

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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.
