# NTSB investigations: Eurocopter AS 350 B2: Loss of control - in flight

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 LAX05GA192](https://openairdocs.org/ntsb/LAX05GA192.md): Eurocopter AS 350 B2 · Bisbee, AZ · Accident · Serious injuries · Final report · Jun 2, 2005 · N5205F · Substantial damage
  > the pilot's failure to maintain an adequate forward airspeed, which resulted in an in-flight loss of control due to a loss of tail rotor effectiveness, while operating near the out of ground effect hover capability of the helicopter. Contributing factors to…
- [NTSB FTW01LA121](https://openairdocs.org/ntsb/FTW01LA121.md): Eurocopter AS-350-B2 · Houston, TX · Accident · Minor injuries · Limited investigation · Final report · May 18, 2001 · N311TV · Substantial damage
  > the failure of the pilot to maintain control of the helicopter following an inadvertent deactivation of the hydraulic system, during final approach. A contributory factor was the unguarded hydraulic cut-off switch.
- [NTSB LAX00LA195](https://openairdocs.org/ntsb/LAX00LA195.md): Eurocopter AS350B2 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · May 11, 2000 · N851HW · Substantial damage
  > the instructor pilot's failure to maintain control of the helicopter.

## 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 ('8680950')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680950&occurrence=250

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