# NTSB investigations: Eurocopter AS 350 B3: Airframe/component/system failure/malfunction

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 LAX04TA052](https://openairdocs.org/ntsb/LAX04TA052.md): Eurocopter France AS 350 B3 · Yuma, AZ · Accident · No injuries · Final report · Nov 25, 2003 · N846BP · Substantial damage
  > The malfunction of the rotor drive system due to improper maintenance, which resulted in the uncoupling of the drive shaft during takeoff-initial climb. A factor associated with the accident is the undertorqued drive system bolts.
- [NTSB LAX04LA035](https://openairdocs.org/ntsb/LAX04LA035.md): Eurocopter AS350 B3 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Nov 4, 2003 · N820NA · Substantial damage
  > The pilot's inadvertent activation of the hydraulic test switch, which resulted in a loss of the hydraulic system pressure, and his failure to maintain directional control.
- [NTSB LAX02TA299](https://openairdocs.org/ntsb/LAX02TA299.md): Eurocopter AS350-B3 · Bishop, CA · Accident · No injuries · Final report · Sep 29, 2002 · N352SA · Substantial damage
  > the disengagement of the collective locking mechanism due to component wear.
- [NTSB FTW02LA247](https://openairdocs.org/ntsb/FTW02LA247.md): Eurocopter AS350B3 · Eagle Pass, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 2002 · N747R · Substantial damage
  > The insufficient length of the stepper motor rack inside the HMU, which caused the red "GOV" light to illuminate and the fuel metering valve to freeze causing the engine to automatically engage the manual mode.

## 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.aircraft_model_code IN ('8680954')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680954&occurrence=130

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