# NTSB investigations: Turbomeca ARRIEL-1D1, 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 WPR25LA058](https://openairdocs.org/ntsb/WPR25LA058.md): Eurocopter AS 350 B2 · Los Alamitos, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 10, 2024 · N913WB · Substantial damage
  > The student pilot’s failure to maintain directional control during a run-on landing and the flight instructor’s excessive correction which resulted in impact with terrain. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB DCA20IA034](https://openairdocs.org/ntsb/DCA20IA034.md): Airbus AS 350 B2 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Dec 5, 2019 · N71HD · 2 aircraft · Minor damage
  > an inflight collision with a hard object of polycarbonate construction, with size and features consistent with that of a small UAS (drone).
- [NTSB GAA17CA562](https://openairdocs.org/ntsb/GAA17CA562.md): Eurocopter AS 350 · Fullerton, CA · Accident · Minor injuries · Data collection · Final report · Sep 27, 2017 · N515ET · Substantial damage
  > The pilot under evaluation’s failure to maintain adequate airspeed during a simulated hydraulic failure, which resulted in a loss of helicopter control. Contributing to the accident was the check pilot’s delayed remedial action.
- [NTSB WPR11GA144](https://openairdocs.org/ntsb/WPR11GA144.md): Eurocopter AS 350 B2 · Riverside, CA · Accident · Minor injuries · Final report · Feb 24, 2011 · N965SD · Substantial damage
  > The failure of both pilots to follow proper procedures during a simulated hydraulic emergency that resulted in a loss of helicopter control. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB WPR11FA045](https://openairdocs.org/ntsb/WPR11FA045.md): Eurocopter AS350B2 · Pacoima, CA · Accident · No injuries · Field investigation · Final report · Nov 12, 2010 · N1231A · Substantial damage
  > The contamination of a spool bearing in the power turbine governor during manufacture, which led to the bearing’s failure in flight, a subsequent loss of engine power during departure, and the resultant hard landing.
- [NTSB OPS10IA163](https://openairdocs.org/ntsb/OPS10IA163.md): Bombardier CL-600-2B19 · Burbank, CA · Incident · No injuries · Incident investigation · Final report · Apr 29, 2010 · N953SW · 2 aircraft · No damage
  > The local controller’s failure to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class C airspace.
- [NTSB LAX01TA119](https://openairdocs.org/ntsb/LAX01TA119.md): Eurocopter France AS350-B2 · Hayward, CA · Accident · No injuries · Final report · Mar 18, 2001 · N996PD · Substantial damage
  > The fatigue fracture of the engine accessory drive gear while maneuvering, which resulted in a loss of engine power and collision with a residential transmission line during the ensuing forced landing. A factor associated with the accident was the residential…

## 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 ('60053'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=60053&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.