# NTSB investigations: Eurocopter AS 350 B2: Loss of visual reference

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 ANC16FA023](https://openairdocs.org/ntsb/ANC16FA023.md): Airbus AS350 · Skagway, AK · Accident · 1 fatal · Field investigation · Final report · May 7, 2016 · N94TH · Substantial damage
  > The pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in the pilot experiencing a loss of visual reference and subsequent controlled flight into terrain. Contributing to the accident were the…
- [NTSB ANC16LA022](https://openairdocs.org/ntsb/ANC16LA022.md): Airbus AS350 · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · May 5, 2016 · N194EH · Substantial damage
  > The pilot's failure to maintain terrain clearance while on approach to land in flat light conditions. Contributing to the severity of the pilot's injuries was the inadequately restrained internal cargo, which shifted forward during the impact and struck the…
- [NTSB CEN15FA171](https://openairdocs.org/ntsb/CEN15FA171.md): Eurocopter AS 350 B2 · Eufaula, OK · Accident · 1 fatal · Field investigation · Final report · Mar 13, 2015 · N919EM · Destroyed
  > The flight's inadvertent encounter with night instrument meteorological conditions, which resulted in the pilot turning the helicopter and subsequently descending into trees and terrain due to spatial disorientation.
- [NTSB WPR09LA125](https://openairdocs.org/ntsb/WPR09LA125.md): Eurocopter AS 350 B2 · Cave Creek, AZ · Accident · No injuries · Limited investigation · Final report · Feb 23, 2009 · N353P · Substantial damage
  > The pilot's misjudged landing flare. Contributing to the accident was the brownout condition created by the dust cloud that interfered with the pilot's perception of proximity to the ground, and the glare interference from the parked fire vehicles headlights…

## 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_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '402' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/402/sequence?model=8680950

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