# NTSB investigations: Allison 250 SER 400HP, 1979

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 FTW79DRD49](https://openairdocs.org/ntsb/FTW79DRD49.md): Bell 206B · Intracstl City, LA · Accident · Minor injuries · Closed · Aug 8, 1979 · N90171 · Substantial damage
- [NTSB LAX79FA064](https://openairdocs.org/ntsb/LAX79FA064-134226.md): Bell 206B · Grand Canyon, AZ · Accident · Minor injuries · Closed · Aug 3, 1979 · N8533F · Substantial damage
- [NTSB SEA80FYM54](https://openairdocs.org/ntsb/SEA80FYM54-202528.md): Hughes 369D · Bay City, OR · Accident · Minor injuries · Closed · Jul 25, 1979 · N58184 · Substantial damage
- [NTSB FTW79DRD44](https://openairdocs.org/ntsb/FTW79DRD44.md): Bell 206B · Bell Rose, LA · Accident · No injuries · Closed · Jun 17, 1979 · N4830 · Substantial damage
- [NTSB FTW79DA085](https://openairdocs.org/ntsb/FTW79DA085.md): Bell 206B · Morgan City, LA · Accident · Serious injuries · Closed · Jun 3, 1979 · N14852 · Destroyed
- [NTSB CHI79FEX26](https://openairdocs.org/ntsb/CHI79FEX26.md): Bell 206-11 · Indianapolis, IN · Accident · No injuries · Closed · May 28, 1979 · N27554 · Substantial damage
- [NTSB SEA79FYP17](https://openairdocs.org/ntsb/SEA79FYP17.md): Hughes 369D · Spokane, WA · Accident · Minor injuries · Closed · May 9, 1979 · N8601F · Substantial damage
- [NTSB LAX79FVA11](https://openairdocs.org/ntsb/LAX79FVA11.md): Bell 206 · Long Beach, CA · Accident · Minor injuries · Closed · Apr 8, 1979 · N4790R · Substantial damage
- [NTSB DEN79FTE19](https://openairdocs.org/ntsb/DEN79FTE19.md): Hughes 500D · Marble, CO · Accident · No injuries · Closed · Jan 21, 1979 · N8306F · Substantial damage
- [NTSB OAK79DXQ10](https://openairdocs.org/ntsb/OAK79DXQ10.md): Hughes 369C · Minden, NV · Accident · No injuries · Closed · Jan 4, 1979 · N9141F · 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") = 1979
  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=1979

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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.