# NTSB investigations: AiResearch TPE331 series, MO

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 CHI06LA244](https://openairdocs.org/ntsb/CHI06LA244.md): Fairchild SA227-AC · Grain Valley, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 2006 · N620PA · Substantial damage
  > the pilot not maintaining clearance from the fence. Contributing factors were the pilot's fatigue and the fence.
- [NTSB DCA05MA004](https://openairdocs.org/ntsb/DCA05MA004.md): British Aerospace Jetstream 32 · Kirksville, MO · Accident · 13 fatal · Class 1 · Major · Final report · Oct 20, 2004 · N875JX · Destroyed
  > the pilots' failure to follow established procedures and properly conduct a nonprecision instrument approach at night in IMC, including their descent below the minimum descent altitude (MDA) before required visual cues were available (which continued…
- [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 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 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.…

## 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" = 'MO' 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=MO

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