# NTSB investigations: Pratt & Whitney JT8D-1, 1989

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 DEN90IA012](https://openairdocs.org/ntsb/DEN90IA012.md): Mcdonnell Douglas DC-9 · Monte Vista, CO · Incident · Minor injuries · Incident investigation · Final report · Oct 18, 1989 · N922RW · Minor damage
  > The poor inflight planning and decisions made by the flight crew following the failure of the number two generator constant speed drive unit. Contributing factors to the accident were the failure of the no. 2 generator constant speed drive unit and the crew's…
- [NTSB FTW89IA152](https://openairdocs.org/ntsb/FTW89IA152.md): Boeing 727-231 · Kenner, LA · Incident · No injuries · Incident investigation · Final report · Aug 25, 1989 · N52309 · Minor damage
  > Inaccurate operators procedures/directives and the improper takeoff performance data computed by the captain. Poor flight crew coordination was considered a factor as well a wrong runway selection for the computed takeoff data.
- [NTSB LAX89IA315](https://openairdocs.org/ntsb/LAX89IA315.md): Boeing 727-224 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Aug 10, 1989 · N88709 · Minor damage
  > A fatigue crack in the right gear wheel well.

## 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") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52044'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52044&year=1989

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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.