# NTSB investigations: AiResearch TPE331 series, TX

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 CEN18LA086](https://openairdocs.org/ntsb/CEN18LA086.md): Swearingen SA227 TT · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jan 19, 2018 · N6UP · Substantial damage
  > The failure of the left starter relay during engine start, which resulted in a loss of electrical and battery power during the flight and led to a forced landing with the nose landing gear not fully extended, causing substantial damage to the engines.
- [NTSB CEN15FA136](https://openairdocs.org/ntsb/CEN15FA136.md): Cessna 441 · Argyle, TX · Accident · 1 fatal · Field investigation · Final report · Feb 5, 2015 · N441TG · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the instrument approach in night instrument meteorological conditions, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall/spin at a low altitude.
- [NTSB CEN10FA028](https://openairdocs.org/ntsb/CEN10FA028.md): Beech B100 · Benavides, TX · Accident · 4 fatal · Field investigation · Final report · Oct 26, 2009 · N729MS · Destroyed
  > The pilot's failure to avoid severe weather, and the air traffic controller's failure to provide adverse weather avoidance assistance, as required by Federal Aviation Administration directives, both of which led to the airplane's encounter with a severe…
- [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 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 FTW01FA111](https://openairdocs.org/ntsb/FTW01FA111.md): Mitsubishi MU-2B-40 · The Woodlands, TX · Accident · 2 fatal · Field investigation · Final report · May 1, 2001 · N16CG · Destroyed
  > The pilot's failure to maintain airplane control following a loss of right engine power, which resulted in impact with terrain in an uncontrolled descent. A contributing factor was the loss of right engine power as a result of the fatigue failure of the…
- [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 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 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 FTW76DRA30](https://openairdocs.org/ntsb/FTW76DRA30.md): Grumman G-164A · Damon, TX · Accident · No injuries · Closed · Apr 10, 1976 · N5408 · Substantial damage

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  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
```

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

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