# NTSB investigations: AiResearch TPE331 series, MN

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 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 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 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 MKC69F0135](https://openairdocs.org/ntsb/MKC69F0135.md): Aero Comdr 680T · Minneapolis, MN · Accident · No injuries · Closed · Aug 27, 1968 · N7610U · 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" = 'MN' 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=MN

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