# NTSB investigations: Turbomeca ARRIEL-1E2, 2017

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 GAA18CA012](https://openairdocs.org/ntsb/GAA18CA012.md): Eurocopter Deutschland MBB BK 117 · Canton, IL · Accident · No injuries · Data collection · Final report · Oct 13, 2017 · N140SF · Substantial damage
  > The flight instructor's incorrect cyclic control during a hover, which resulted in a hard landing.
- [NTSB ERA17MA316](https://openairdocs.org/ntsb/ERA17MA316.md): Eurocopter Deutschland MBB BK 117 · Hertford, NC · Accident · 4 fatal · Class 2 · Major · Final report · Sep 8, 2017 · N146DU · Destroyed
  > A failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent erroneous shutdown of the No. 1 engine, and (2) the resulting…
- [NTSB CEN17IA094](https://openairdocs.org/ntsb/CEN17IA094.md): Eurocopter Deutschland MBB BK 117 C-2 · Sioux Falls, SD · Incident · No injuries · Class 2 · Incident · Final report · Jan 27, 2017 · N911MK · Minor damage
  > The gas generator rear bearing oil scavenge line blocked with coke, which resulted in a failed rear bearing due to an excess of oil lubrication. Contributing to the incident was the operator not completely performing the maintenance items and not utilizing an…

## 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") = 2017
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('60035'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=60035&year=2017

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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.