# NTSB investigations: Turbomeca ARRIEL-1SER, 1999

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 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 ANC99FA139](https://openairdocs.org/ntsb/ANC99FA139.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · Serious injuries · Field investigation · Final report · Sep 10, 1999 · N6007S · Destroyed
  > The pilot's continued flight into instrument meteorological conditions (IMC), and inadequate altitude/clearance. Factors associated with the accident were flat light and whiteout conditions, snow, and snow-covered terrain. An additional factor was the FAA's…
- [NTSB LAX99LA282](https://openairdocs.org/ntsb/LAX99LA282.md): Aerospatiale AS350BA · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Aug 24, 1999 · N6094S · Substantial damage
  > The pilot's initial misjudgment of the wind speed and his decision to continue a downwind landing approach when his speed and altitude profile was inadequate, and his failure to maintain main rotor rpm, resulting in settling with power and a hard landing.
- [NTSB ANC99LA036](https://openairdocs.org/ntsb/ANC99LA036.md): Eurocopter AS-350-B2 · Girdwood, AK · Accident · No injuries · Limited investigation · Final report · Mar 17, 1999 · N197EH · Substantial damage
  > The pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and snow-covered terrain.

## 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 year(c."eventDate") = 1999
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('60030'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=60030&year=1999

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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.