# Fatal NTSB investigations: American Eurocopter AS350B3

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 WPR25FA062](https://openairdocs.org/ntsb/WPR25FA062.md): American Eurocopter AS350B3 · Potrero, CA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 16, 2024 · N617GC · Substantial damage
  > The pilot’s loss of control during cruise flight due to incapacitation for reasons that could not be determined.
- [NTSB WPR20LA244](https://openairdocs.org/ntsb/WPR20LA244.md): American Eurocopter AS350 · Pioche, NV · Accident · 2 fatal · Class 3 · Limited · Final report · Jul 29, 2020 · N755AE · Destroyed
  > The pilot’s failure to maintain altitude from terrain and subsequent loss of helicopter control due to entanglement of the external load cable with the tail rotor.
- [NTSB CEN19FA018](https://openairdocs.org/ntsb/CEN19FA018.md): Eurocopter AS350 · Odanah, WI · Accident · 1 fatal · Field investigation · Final report · Oct 29, 2018 · N910S · Destroyed
  > The pilot's loss of helicopter control for undetermined reasons.
- [NTSB CEN15MA290](https://openairdocs.org/ntsb/CEN15MA290.md): Airbus Helicopters AS350B3E · Frisco, CO · Accident · 1 fatal · Class 1 · Major · Final report · Jul 3, 2015 · N390LG · Destroyed
  > Airbus Helicopters' dual-hydraulic AS350 B3e helicopter's (1) preflight hydraulic check, which depleted hydraulic pressure in the tail rotor hydraulic circuit, and (2) lack of salient alerting to the pilot that hydraulic pressure was not restored before…
- [NTSB WPR10FA371](https://openairdocs.org/ntsb/WPR10FA371.md): American Eurocopter AS 350 B3 · Tucson, AZ · Accident · 3 fatal · Field investigation · Final report · Jul 28, 2010 · N509AM · Substantial damage
  > The repair station technician did not properly install the fuel inlet union during reassembly of the engine; the operator’s maintenance personnel did not adequately inspect the technician's work; and the pilot who performed the post maintenance check flight…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1145004', '1145002'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=1145004

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