# NTSB investigations: Allison 250 SER 400HP, 1994

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 LAX95LA052](https://openairdocs.org/ntsb/LAX95LA052.md): Bell 206B · Julian, CA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1994 · N37AJ · Substantial damage
  > the failure of the pilot to maintain a proper alignment during hover in a mountainous area.
- [NTSB ANC94LA110](https://openairdocs.org/ntsb/ANC94LA110.md): Bell B-206 · Gustavus, AK · Accident · No injuries · Limited investigation · Final report · Aug 31, 1994 · N382EH · Substantial damage
  > The pilot misjudged his distance/altitude from the landing area, and his lack of recent night flying experience. Factors which contributed to the accident were: the pilot's failure to assure that he would be landing with sufficient light, and the dusk/dark…
- [NTSB CHI94LA161](https://openairdocs.org/ntsb/CHI94LA161.md): Bell 206B · Winnebago, IL · Accident · No injuries · Limited investigation · Final report · May 12, 1994 · N49585 · Substantial damage
  > a wire strike due to failure to maintain proper altitude, and improper visual lookout by the pilot-in-command.

## 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") = 1994
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&year=1994

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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.