# NTSB investigations: Allison 250-C30 series, CA

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 WPR22LA031](https://openairdocs.org/ntsb/WPR22LA031.md): Bell 206L-3 · Covelo, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2021 · N27TK · Substantial damage
  > A passenger’s unsecured object departed the cabin resulted in a collision with the tail rotor drive shaft.
- [NTSB WPR21LA133](https://openairdocs.org/ntsb/WPR21LA133.md): Bell 206 · Lucerne Valley, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 16, 2021 · N6133C · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering with a tailwind, resulting in the helicopter spinning and colliding with terrain.
- [NTSB WPR20LA163](https://openairdocs.org/ntsb/WPR20LA163.md): Bell 206 · Fairfield, CA · Accident · 3 fatal · Class 3 · Limited · Final report · Jun 2, 2020 · N65PJ · Substantial damage
  > The pilot’s failure to maintain adequate clearance from powerlines while conducting external load operations, which resulted in the main rotor contacting a wire and a subsequent collision with terrain.
- [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 LAX00LA024](https://openairdocs.org/ntsb/LAX00LA024.md): Bell 206-L4 · Santa Clarita, CA · Accident · No injuries · Limited investigation · Final report · Oct 23, 1999 · N36R · Substantial damage
  > The pilot's delay in adding power during a power-on recovery from an autorotation, which resulted in a hard landing and rollover. The flight instructor's inadequate supervision of the flight was also causal.
- [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 c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  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&state=CA

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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.