# Major NTSB investigations: Turbomeca ARRIEL-1SER

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 ANC20MA010](https://openairdocs.org/ntsb/ANC20MA010.md): Airbus AS350B2 · Kekaha, HI · Accident · 7 fatal · Class 1 · Major · Final report · Dec 27, 2019 · N985SA · Destroyed
  > The pilot’s decision to continue flight under visual flight rules (VFR) into instrument meteorological conditions (IMC), which resulted in the collision into terrain. Contributing to the accident was Safari Aviation Inc.’s lack of safety management processes…
- [NTSB DCA12MA020](https://openairdocs.org/ntsb/DCA12MA020.md): Eurocopter France AS350B2 · Las Vegas, NV · Accident · 5 fatal · Class 1 · Major · Final report · Dec 8, 2011 · N37SH · Destroyed
  > Sundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…
- [NTSB ERA09MA447](https://openairdocs.org/ntsb/ERA09MA447.md): Piper PA-32R-300 · Hoboken, NJ · Accident · 9 fatal · Class 1 · Major · Final report · Aug 8, 2009 · N71MC · 2 aircraft · Substantial damage
  > (1) the inherent limitations of the see-and-avoid concept, which made it difficult for the airplane pilot to see the helicopter until the final seconds before the collision, and (2) the Teterboro Airport local controller’s nonpertinent telephone conversation,…
- [NTSB LAX07MA231](https://openairdocs.org/ntsb/LAX07MA231.md): Eurocopter AS350-B2 · Phoenix, AZ · Accident · 4 fatal · Class 1 · Major · Final report · Jul 27, 2007 · N613TV · 2 aircraft · Destroyed
  > Both pilots' failure to see and avoid the other helicopter. Contributing to this failure was the pilots' responsibility to perform reporting and visual tracking duties to support their station's ENG operation. Contributing to the accident was the lack of…
- [NTSB NYC07MA073](https://openairdocs.org/ntsb/NYC07MA073.md): Aerospatiale AS350BA · Princeville, HI · Accident · 4 fatal · Major investigation · Final report · Mar 9, 2007 · N354NT · Substantial damage
  > The failure of maintenance personnel to properly tighten (torque) the flight control servo lower attachment clevis, and reinstall a functioning lock washer, which resulted in a flight control disconnect and a complete loss of helicopter control. Contributing…
- [NTSB IAD05MA078](https://openairdocs.org/ntsb/IAD05MA078.md): Sikorsky S-76C · New York, NY · Accident · Serious injuries · Major investigation · Final report · Jun 17, 2005 · N317MY · Substantial damage
  > An inadvertent encounter with a left quartering tailwind. Factors in the accident were settling with power, the high gross weight of the helicopter, and the crew's failure to accurately assess the winds in the area.
- [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 LAX01MA272](https://openairdocs.org/ntsb/LAX01MA272.md): Eurocopter AS350-B2 · Meadview, AZ · Accident · 6 fatal · Major investigation · Final report · Aug 10, 2001 · N169PA · Destroyed
  > The pilot’s loss of control of the helicopter for undetermined reasons.

## 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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
  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&major=1

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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.