# NTSB investigations: AiResearch TPE331 series, 1993

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 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…

## 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 year(c."eventDate") = 1993
  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&year=1993

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