# NTSB investigations: Turbomeca ARRIEL-1SER: In flight collision with terrain/water

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 LAX05CA102](https://openairdocs.org/ntsb/LAX05CA102.md): Aerospatiale AS350BA · Lihue, HI · Accident · No injuries · Data collection · Final report · Feb 21, 2005 · N905BK · Substantial damage
  > the pilot's failure to maintain adequate terrain clearance, which resulted in the in-flight collision with terrain.
- [NTSB LAX05FA056](https://openairdocs.org/ntsb/LAX05FA056.md): Eurocopter France AS350BA · Panamint Spring, CA · Accident · 1 fatal · Field investigation · Final report · Dec 30, 2004 · N410JC · Destroyed
  > The pilot's misjudged lateral distance from a mountainside and failure to maintain an adequate clearance from terrain and obstacles while performing a low altitude filming maneuver.
- [NTSB DCA04MA030](https://openairdocs.org/ntsb/DCA04MA030.md): Sikorsky S76A++ · Gulf of Mexico · Accident · 10 fatal · Class 1 · Major · Final report · Mar 23, 2004 · N579EH · Destroyed
  > the flight crew's failure to identify and arrest the helicopter's descent for undetermined reasons, which resulted in controlled flight into terrain.
- [NTSB LAX03MA292](https://openairdocs.org/ntsb/LAX03MA292.md): Aerospatiale AS350BA · GrandCanyonWest, AZ · Accident · 7 fatal · Class 1 · Major · Final report · Sep 20, 2003 · N270SH · Destroyed
  > The pilot's disregard of safe flying procedures and misjudgment of the helicopter's proximity to terrain, which resulted in an in-flight collision with a canyon wall. Contributing to the accident was the failure of Sundance Helicopters and the Federal…
- [NTSB LAX02LA217](https://openairdocs.org/ntsb/LAX02LA217.md): Aerospatiale AS350 BA · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Jul 7, 2002 · N141MK · Substantial damage
  > the pilot's failure to maintain adequate tail rotor clearance from the sloping terrain in unfavorable wind conditions.
- [NTSB LAX02FA114](https://openairdocs.org/ntsb/LAX02FA114.md): Eurocopter AS-350B · Susanville, CA · Accident · 1 fatal · Field investigation · Final report · Mar 21, 2002 · N1184H · Substantial damage
  > Failure of the pilot to maintain sufficient altitude/clearance above the water while performing a low altitude flight. Factors relating to the accident were the glassy water condition, and a lack of visual cues concerning perception of altitude.
- [NTSB ANC99LA141](https://openairdocs.org/ntsb/ANC99LA141.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 1999 · N6099Y · Substantial damage
  > The pilot's failure to maintain altitude/clearance. Factors associated with the accident were flat light conditions, snow-covered terrain, and self-induced pressure to continue the search.
- [NTSB ANC99LA140](https://openairdocs.org/ntsb/ANC99LA140.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 10, 1999 · N6052C · Substantial damage
  > The pilot's failure to maintain altitude/clearance. Factors associated with the accident were flat light conditions, snow-covered terrain, and self-induced pressure to continue the search.
- [NTSB FTW94FA224](https://openairdocs.org/ntsb/FTW94FA224.md): Aerospatiale AS 350B-2 · Granite, CO · Accident · 2 fatal · Field investigation · Final report · Jul 10, 1994 · N95LG · Destroyed
  > Failure of the pilot to assure main rotor clearance from sloping terrain while in a hover. The terrain condition was a related factor.

## 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.engine_model_code IN ('60030')
    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" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=60030&occurrence=230

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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.
