# NTSB investigations: AiResearch TPE331 series, 1990

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 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…

## 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") = 1990
  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=1990

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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.