# NTSB investigations: Allison 250-C30 series: Loss of engine power

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 DFW06FA083](https://openairdocs.org/ntsb/DFW06FA083.md): Bell 206L-1 · Patterson, LA · Accident · 2 fatal · Field investigation · Final report · Mar 14, 2006 · N370RL · Destroyed
  > The improper installation of an engine fuel line fitting by other maintenance personnel, which resulted in a loose fitting and a loss of engine power during cruise flight. Factors associated with the accident are a tailwind, and the lack of a suitable site…
- [NTSB DFW05MA230](https://openairdocs.org/ntsb/DFW05MA230.md): Sikorsky S76 · Gulf of Mexico, TX · Accident · Serious injuries · Major investigation · Final report · Sep 6, 2005 · N90421 · Destroyed
  > The pilots' delayed response to the No. 1 engine fire warning and the loss of power to both engines, which occurred for undetermined reasons. The pilots' delayed response was most likely due to stress and fatigue. Contributing to the delay of the initiation…
- [NTSB LAX04LA216](https://openairdocs.org/ntsb/LAX04LA216.md): Bell 206L-3 · Palmdale, CA · Accident · Minor injuries · Limited investigation · Final report · May 20, 2004 · N2019F · Substantial damage
  > The momentary loss of engine power for undetermined reasons.
- [NTSB FTW04LA088](https://openairdocs.org/ntsb/FTW04LA088.md): Bell 206L-3 · W. Cameron 149 · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2004 · N81SP · Substantial damage
  > A partial loss of engine power due to undetermined reasons. A contributing factor was the emergency floats not being deployed.
- [NTSB FTW02LA019](https://openairdocs.org/ntsb/FTW02LA019.md): Bell 206L-3 · East Cameron 78 · Accident · Serious injuries · Limited investigation · Final report · Oct 18, 2001 · N348AL · Substantial damage
  > The hard landing due to the pilot's failure to maintain proper main rotor rpm. Contributing factors were the loss of engine power for undetermined reasons, and the pilot's failure to deploy the emergency floats.
- [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.

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03015')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03015&occurrence=350

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