# NTSB investigations: Allison 250-C30 series, 1992

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 FTW92LA166](https://openairdocs.org/ntsb/FTW92LA166.md): Bell 206L-3 · Ponca City, OK · Accident · No injuries · Limited investigation · Final report · Jun 21, 1992 · N66LR · Substantial damage
  > The pilot's failure to maintain main rotor RPM. A factor was the contaminated fuel.
- [NTSB LAX92LA254](https://openairdocs.org/ntsb/LAX92LA254.md): Bell 206-L3 · Waikoloa, HI · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1992 · N2267N · Substantial damage
  > Failure of the rear landing gear cross tube due to corrosion.
- [NTSB LAX92T#A04](https://openairdocs.org/ntsb/LAX92T%23A04.md): Bell 206L-1 · Fort Irwin, CA · Accident · No injuries · Class 3 · Final report · Apr 20, 1992 · N5736N · 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 year(c."eventDate") = 1992
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03015'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03015&year=1992

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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.