# NTSB investigations: Allison 250 SER 400HP, 2004

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 LAX04FA329](https://openairdocs.org/ntsb/LAX04FA329.md): Bell 206B · Kalaheo, HI · Accident · 5 fatal · Class 1 · Field · Final report · Sep 25, 2004 · N16849 · Destroyed
  > The pilot's decision to continue flight under visual flight rules into an area of turbulent, reduced visibility weather conditions, which resulted in the pilot's spatial disorientation and loss of control of the helicopter. Contributing to this accident was…
- [NTSB DEN04LA130](https://openairdocs.org/ntsb/DEN04LA130.md): Bell 206B3 · Atlantic City, WY · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2004 · N2751U · Substantial damage
  > the pilot's inability to maintain aircraft control, improper in-flight planning and decision making, and failure to compensate for wind conditions, resulting in collision with terrain. Contributing factors were the intentional low-level maneuver, and the wind…
- [NTSB LAX04LA281](https://openairdocs.org/ntsb/LAX04LA281.md): Bell 206B · Little Valley, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 2004 · N549W · Destroyed
  > the pilot's failure to maintain an adequate clearance from objects and terrain while maneuvering at low altitude. Factors in the accident were the high, rising terrain, and the high density altitude.
- [NTSB FTW04FA168](https://openairdocs.org/ntsb/FTW04FA168.md): Bell 206-L1 · Vermillion Bay, LA · Accident · 3 fatal · Field investigation · Final report · Jun 24, 2004 · N5006F · Destroyed
  > The pilot's continued flight into adverse weather conditions resulting in a loss of control. Contributing factors were the prevailing thunderstorms and the pilot's inadequate in flight preparation and planning.
- [NTSB SEA04LA090](https://openairdocs.org/ntsb/SEA04LA090.md): Bell 206B · Auburn, WA · Accident · No injuries · Limited investigation · Final report · May 23, 2004 · N206AF · Substantial damage
  > Loss of control for undetermined reasons.

## 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") = 2004
  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=2004

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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.