# NTSB investigations: Turbomeca ARRIEL-2B1, AZ

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 WPR25LA189](https://openairdocs.org/ntsb/WPR25LA189.md): American Eurocopter AS350B3 · San Luis, AZ · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N3951A · Substantial damage
  > The pilot receiving instruction’s failure to properly recover the helicopter during an autorotative landing and the instructor pilot’s failure to intervene, which resulted in a hard landing.
- [NTSB WPR22LA154](https://openairdocs.org/ntsb/WPR22LA154.md): Eurocopter AS 350 B3 · Deer Valley, AZ · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 17, 2022 · N808LF · Substantial damage
  > The fuelers improper action during the refueling process.
- [NTSB WPR22LA018](https://openairdocs.org/ntsb/WPR22LA018.md): Airbus A350 · Tucson, AZ · Accident · No injuries · Class 4 · Limited · Final report · Oct 16, 2021 · N544AM · Substantial damage
  > The pilot's failure to maintain clearance from ground equipment during landing.
- [NTSB WPR18MA087](https://openairdocs.org/ntsb/WPR18MA087.md): Eurocopter EC130 · Peach Springs, AZ · Accident · 5 fatal · Class 3 · Major · Final report · Feb 11, 2018 · N155GC · Destroyed
  > A loss of tail rotor effectiveness, the pilot’s subsequent loss of helicopter control, and collision with terrain during an approach to land in gusting, tailwind conditions in an area of potential downdrafts and turbulence.
- [NTSB GAA18CA070](https://openairdocs.org/ntsb/GAA18CA070.md): Eurocopter AS 350 · Santa Rosa, AZ · Accident · No injuries · Data collection · Final report · Dec 6, 2017 · N790AM · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB GAA17CA344](https://openairdocs.org/ntsb/GAA17CA344.md): Eurocopter EC130 · Peach Springs, AZ · Accident · No injuries · Data collection · Final report · May 25, 2017 · N153GC · Substantial damage
  > The ground crewman’s failure to hold onto the passenger door while the main rotor was still rotating, which resulted in the door separating from the helicopter and damaging the main rotor.
- [NTSB WPR16FA040](https://openairdocs.org/ntsb/WPR16FA040.md): Airbus Helicopters AS350 · Superior, AZ · Accident · 2 fatal · Field investigation · Final report · Dec 16, 2015 · N74317 · Substantial damage
  > The pilot's loss of helicopter control in mountainous terrain as the result of operating the helicopter outside the performance envelope of its hydraulic system and encountering the servo transparency phenomenon. Contributing to the accident was the pilot's…
- [NTSB WPR13LA266](https://openairdocs.org/ntsb/WPR13LA266.md): Eurocopter EC 130 B4 · Grand Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Jun 8, 2013 · N130PH · Substantial damage
  > A loss of throttle control movement during a practice autorotation that was planned to terminate with a power recovery for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal…
- [NTSB WPR10LA481](https://openairdocs.org/ntsb/WPR10LA481.md): Eurocopter EC130 · Meadview, AZ · Accident · No injuries · Limited investigation · Final report · Oct 1, 2010 · N822MH · Substantial damage
  > The pilot's distraction with another departing helicopter while maneuvering in a hover for departure, which resulted in his failure to maintain clearance between the tail rotor and an umbrella.
- [NTSB WPR10FA371](https://openairdocs.org/ntsb/WPR10FA371.md): American Eurocopter AS 350 B3 · Tucson, AZ · Accident · 3 fatal · Field investigation · Final report · Jul 28, 2010 · N509AM · Substantial damage
  > The repair station technician did not properly install the fuel inlet union during reassembly of the engine; the operator’s maintenance personnel did not adequately inspect the technician's work; and the pilot who performed the post maintenance check flight…
- [NTSB WPR10CA164](https://openairdocs.org/ntsb/WPR10CA164.md): Eurocopter AS 350 B3 · Parker, AZ · Accident · No injuries · Data collection · Final report · Mar 16, 2010 · N4282 · Substantial damage
  > The mechanics' failure to account for all the tools following a maintenance procedure and the pilot's failure to perform a preflight check before a maintenance test flight.
- [NTSB LAX07LA281](https://openairdocs.org/ntsb/LAX07LA281.md): Eurocopter France EC 130 B4 · Meadview, AZ · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 2007 · N808MH · Substantial damage
  > Collision with a bird during cruise flight.
- [NTSB LAX04LA035](https://openairdocs.org/ntsb/LAX04LA035.md): Eurocopter AS350 B3 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Nov 4, 2003 · N820NA · Substantial damage
  > The pilot's inadvertent activation of the hydraulic test switch, which resulted in a loss of the hydraulic system pressure, and his failure to maintain directional control.

## 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."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('60056'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=60056&state=AZ

---
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.
