# NTSB investigations: Turbomeca ARRIEL-1D1

A list on [Turbomeca ARRIEL-1D1](https://openairdocs.org/engine/turbomeca-arriel-1d1.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB ANC25LA092](https://openairdocs.org/ntsb/ANC25LA092.md): Eurocopter AS 350 B2 · Juneau, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 22, 2025 · N149TH · Substantial damage
  > The pilot’s failure to maintain adequate obstacle clearance during takeoff from uneven, snow-covered terrain in flat light conditions.
- [NTSB WPR25LA058](https://openairdocs.org/ntsb/WPR25LA058.md): Eurocopter AS 350 B2 · Los Alamitos, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 10, 2024 · N913WB · Substantial damage
  > The student pilot’s failure to maintain directional control during a run-on landing and the flight instructor’s excessive correction which resulted in impact with terrain. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB CEN24LA088](https://openairdocs.org/ntsb/CEN24LA088.md): Eurocopter AS 350 B2 · Spofford, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 12, 2024 · N204TX · Substantial damage
  > The fatigue failure of the fuel control unit control lever arm, which resulted in fuel starvation, and a loss of engine power.
- [NTSB ERA24FA069](https://openairdocs.org/ntsb/ERA24FA069.md): American Eurocopter AS350B2 · Hammonton, NJ · Accident · 2 fatal · Class 3 · Field · Final report · Dec 20, 2023 · N606HD · Destroyed
  > The helicopter’s gradual descent and impact with terrain for reasons that could not be determined.
- [NTSB ANC23LA038](https://openairdocs.org/ntsb/ANC23LA038.md): Aerospatiale AS350B2 · Honolulu, HI · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2023 · N745RH · Substantial damage
  > The instructor pilot’s inadequate supervision of the pilot receiving instruction, which resulted in a hard landing, and substantial damage to the tail boom.
- [NTSB ERA22FA343](https://openairdocs.org/ntsb/ERA22FA343.md): Eurocopter AS350 · Andalusia, AL · Accident · Serious injuries · Class 3 · Field · Final report · Jul 29, 2022 · N124LN · Substantial damage
  > The pilot’s acute incapacitation by a syncopal episode, which resulted in the helicopter departing controlled flight and colliding with terrain.
- [NTSB CEN21LA431](https://openairdocs.org/ntsb/CEN21LA431.md): Eurocopter AS350 · Romeo, MI · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N632SD · Substantial damage
  > The flight instructor’s failure to reposition the fuel control to the flight detent during a practice autorotation, which resulted in insufficient engine power to arrest the helicopter’s decent and a hard landing.
- [NTSB CEN21LA216](https://openairdocs.org/ntsb/CEN21LA216.md): Aerospatiale AS350 B2 Ecureuil · Yukon, OK · Accident · No injuries · Class 3 · Limited · Final report · May 12, 2021 · N841BP · Destroyed
  > The pilot receiving instruction’s untimely and unidentified inadvertent activation of the hydraulic cut-off switch, which turned off the hydraulic system while the helicopter was at slow airspeed followed by a rapid power increase, which resulted in a loss of…
- [NTSB ERA20CA106](https://openairdocs.org/ntsb/ERA20CA106.md): Aerospatiale AS350 · Tampa, FL · Accident · No injuries · Data collection · Final report · Feb 18, 2020 · N188FS · Substantial damage
  > The flight instructor's inadvertent throttle reduction below idle, which resulted in a total loss of engine power and subsequent impact with terrain following a power-off autorotation.
- [NTSB DCA20IA034](https://openairdocs.org/ntsb/DCA20IA034.md): Airbus AS 350 B2 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Dec 5, 2019 · N71HD · 2 aircraft · Minor damage
  > an inflight collision with a hard object of polycarbonate construction, with size and features consistent with that of a small UAS (drone).
- [NTSB GAA19CA121](https://openairdocs.org/ntsb/GAA19CA121.md): Eurocopter AS 350 · Tampa, FL · Accident · No injuries · Data collection · Final report · Jan 29, 2019 · N680DG · Substantial damage
  > The pilot's improper landing flare while practicing autorotations, which resulted in a hard, bounced landing.
- [NTSB CEN19LA068](https://openairdocs.org/ntsb/CEN19LA068.md): Aerospatiale AS350 · Ponca City, OK · Accident · No injuries · Limited investigation · Final report · Jan 11, 2019 · N346AE · Substantial damage
  > The pilot's failure to maintain altitude during the hover operation while his view was obstructed due to the fogged-over windshield.
- [NTSB GAA18CA571](https://openairdocs.org/ntsb/GAA18CA571.md): Eurocopter AS350 · Ruidoso, NM · Accident · No injuries · Data collection · Final report · Sep 29, 2018 · N894NA · Substantial damage
  > The pilot's failure to maintain the proper descent rate during landing. Contributing to the accident were the pilot’s failure to conduct preflight performance calculations, which resulted in his operating the helicopter in high-density altitude conditions,…
- [NTSB CEN18FA149](https://openairdocs.org/ntsb/CEN18FA149.md): Eurocopter AS 350 B2 · Hazelhurst, WI · Accident · 3 fatal · Field investigation · Final report · Apr 27, 2018 · N127LN · Destroyed
  > The pilot's loss of helicopter control as a result of fatigue during cruise flight at night.
- [NTSB ERA18MA099](https://openairdocs.org/ntsb/ERA18MA099.md): American Eurocopter AS350B2 · New York, NY · Accident · 5 fatal · Class 1 · Major · Final report · Mar 11, 2018 · N350LH · Substantial damage
  > Liberty Helicopters Inc.'s use of a NYONair-provided passenger harness/tether system, which caught on and activated the floor-mounted engine fuel shutoff lever and resulted in the in-flight loss of engine power and the subsequent ditching. Contributing to…
- [NTSB GAA17CA562](https://openairdocs.org/ntsb/GAA17CA562.md): Eurocopter AS 350 · Fullerton, CA · Accident · Minor injuries · Data collection · Final report · Sep 27, 2017 · N515ET · Substantial damage
  > The pilot under evaluation’s failure to maintain adequate airspeed during a simulated hydraulic failure, which resulted in a loss of helicopter control. Contributing to the accident was the check pilot’s delayed remedial action.
- [NTSB ANC16FA023](https://openairdocs.org/ntsb/ANC16FA023.md): Airbus AS350 · Skagway, AK · Accident · 1 fatal · Field investigation · Final report · May 7, 2016 · N94TH · Substantial damage
  > The pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in the pilot experiencing a loss of visual reference and subsequent controlled flight into terrain. Contributing to the accident were the…
- [NTSB ERA16LA159](https://openairdocs.org/ntsb/ERA16LA159.md): Eurocopter France AS350 · Jasper, GA · Accident · No injuries · Limited investigation · Final report · Apr 15, 2016 · N561AM · Substantial damage
  > The pilot's loss of helicopter control due to vortex ring state, which resulted in a hard landing. Contributing to the accident was the pilot’s decision to conduct the landing approach with a tailwind.
- [NTSB CEN15FA171](https://openairdocs.org/ntsb/CEN15FA171.md): Eurocopter AS 350 B2 · Eufaula, OK · Accident · 1 fatal · Field investigation · Final report · Mar 13, 2015 · N919EM · Destroyed
  > The flight's inadvertent encounter with night instrument meteorological conditions, which resulted in the pilot turning the helicopter and subsequently descending into trees and terrain due to spatial disorientation.
- [NTSB WPR14LA272](https://openairdocs.org/ntsb/WPR14LA272.md): Aerospatiale AS350B2 · Dietrich, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2014 · N350CR · Substantial damage
  > The pilot’s sudden incapacitation from a previously undiagnosed medical condition while in cruise flight, which resulted in his inability to maintain helicopter control.
- [NTSB WPR14FA137](https://openairdocs.org/ntsb/WPR14FA137.md): Eurocopter AS 350 B2 · Seattle, WA · Accident · 2 fatal · Field investigation · Final report · Mar 18, 2014 · N250FB · Destroyed
  > The loss of helicopter control due to a loss of hydraulic boost to the tail rotor pedal controls at takeoff, followed by a loss of hydraulic boost to the main rotor controls after takeoff. The reason for the loss of hydraulic boost to the main and tail rotor…
- [NTSB ERA13LA421](https://openairdocs.org/ntsb/ERA13LA421.md): American Eurocopter AS350B2 · Canton, MS · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 2013 · N810LE · Substantial damage
  > The pilot’s improper decision to continue flight with a low engine oil pressure warning light instead of landing immediately in accordance with the flight manual emergency checklist. Contributing to the accident was the maintenance technician’s failure to…
- [NTSB CEN13FA344](https://openairdocs.org/ntsb/CEN13FA344.md): Eurocopter AS350B2 · Talihina, OK · Accident · 1 fatal · Field investigation · Final report · Jun 11, 2013 · N935EM · Substantial damage
  > The helicopter pilot's failure to see and avoid the 40-ft-tall lamp post during takeoff. Contributing to the accident was the pilot's inadequate preflight evaluation of the obstructions in the takeoff path.
- [NTSB WPR12IA248](https://openairdocs.org/ntsb/WPR12IA248.md): Eurocopter AS 350 B2 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · May 22, 2012 · N105TV · Minor damage
  > Failure of maintenance personnel to ensure that the tail rotor pitch change link bolt was properly secured, which resulted in an in-flight separation of the bolt and subsequent vibration.
- [NTSB CEN11FA599](https://openairdocs.org/ntsb/CEN11FA599.md): Eurocopter AS-350-B2 · Mosby, MO · Accident · 4 fatal · Class 1 · Field · Final report · Aug 26, 2011 · N352LN · Substantial damage
  > The pilot's failure to confirm that the helicopter had adequate fuel on board to complete the mission before making the first departure, his improper decision to continue the mission and make a second departure after he became aware of a critically low fuel…
- [NTSB CEN11FA359](https://openairdocs.org/ntsb/CEN11FA359.md): Eurocopter AS 350 B2 · Fort Worth, TX · Accident · Minor injuries · Field investigation · Final report · May 29, 2011 · N747CH · Substantial damage
  > The pilot’s loss of control due to his not maintaining adequate airspeed and altitude during a simulated hydraulic flight control failure. Contributing to the accident was the flight instructor’s inadequate supervision and delayed remedial response.
- [NTSB WPR11GA144](https://openairdocs.org/ntsb/WPR11GA144.md): Eurocopter AS 350 B2 · Riverside, CA · Accident · Minor injuries · Final report · Feb 24, 2011 · N965SD · Substantial damage
  > The failure of both pilots to follow proper procedures during a simulated hydraulic emergency that resulted in a loss of helicopter control. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB CEN11FA118](https://openairdocs.org/ntsb/CEN11FA118.md): Eurocopter AS350-B2 · La Monte, MO · Accident · Serious injuries · Field investigation · Final report · Dec 19, 2010 · N549AM · Substantial damage
  > An interruption of fuel to the engine due to air in the fuel lines, which resulted in an engine flameout and the total loss of engine power. The reason for air in the fuel line resulting in an engine flameout could not be determined because postaccident…
- [NTSB WPR11FA045](https://openairdocs.org/ntsb/WPR11FA045.md): Eurocopter AS350B2 · Pacoima, CA · Accident · No injuries · Field investigation · Final report · Nov 12, 2010 · N1231A · Substantial damage
  > The contamination of a spool bearing in the power turbine governor during manufacture, which led to the bearing’s failure in flight, a subsequent loss of engine power during departure, and the resultant hard landing.
- [NTSB OPS10IA163](https://openairdocs.org/ntsb/OPS10IA163.md): American Eurocopter AS350B2 · Burbank, CA · Incident · No injuries · Incident investigation · Final report · Apr 29, 2010 · N29LW · 2 aircraft · No damage
  > The local controller’s failure to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class C airspace.
- [NTSB ERA09LA378](https://openairdocs.org/ntsb/ERA09LA378.md): Eurocopter AS 350 B2 · Loris, SC · Accident · No injuries · Limited investigation · Final report · Jul 3, 2009 · N53963 · Substantial damage
  > The crew's failure to see and avoid a steel pole during a nighttime approach to the helipad.
- [NTSB WPR09LA125](https://openairdocs.org/ntsb/WPR09LA125.md): Eurocopter AS 350 B2 · Cave Creek, AZ · Accident · No injuries · Limited investigation · Final report · Feb 23, 2009 · N353P · Substantial damage
  > The pilot's misjudged landing flare. Contributing to the accident was the brownout condition created by the dust cloud that interfered with the pilot's perception of proximity to the ground, and the glare interference from the parked fire vehicles headlights…
- [NTSB DFW08FA062](https://openairdocs.org/ntsb/DFW08FA062.md): Eurocopter France AS350B2 · S. Padre Island, TX · Accident · 3 fatal · Field investigation · Final report · Feb 6, 2008 · N911VA · Substantial damage
  > The pilot's failure to maintain aircraft control resulting in the helicopter impacting the water. Factors contributing to the accident were the pilot's inadvertent flight into instrument meteorological conditions, the low ceiling, dark night conditions, and…
- [NTSB NYC07CA220](https://openairdocs.org/ntsb/NYC07CA220.md): Eurocopter AS-350B2 · Greenville, SC · Accident · No injuries · Data collection · Final report · Sep 8, 2007 · N505RA · Substantial damage
  > The pilot's failure to maintain a proper descent rate during a precautionary landing, which resulted in a settling with power condition and a subsequent hard landing.
- [NTSB LAX07MA231](https://openairdocs.org/ntsb/LAX07MA231.md): Eurocopter AS350-B2 · Phoenix, AZ · Accident · 4 fatal · Class 1 · Major · Final report · Jul 27, 2007 · N215TV · 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 MIA07TA017](https://openairdocs.org/ntsb/MIA07TA017.md): Eurocopter AS 350 BA · Ft. Myers, FL · Accident · Minor injuries · Final report · Nov 18, 2006 · N72LC · Substantial damage
  > The pilot's failure to maintain aircraft control during engine start. Contributing to the accident was the pilot's improper advancement of the fuel control lever.
- [NTSB DFW06TA054](https://openairdocs.org/ntsb/DFW06TA054.md): Aerospatiale AS350-B2 · Eagle Pass, TX · Accident · Serious injuries · Final report · Jan 12, 2006 · N840BP · Substantial damage
  > The pilot's failure to maintain clearance from the unmarked transmission lines. A factor was the pilot's diverted attention while monitoring ground activity.
- [NTSB LAX01TA119](https://openairdocs.org/ntsb/LAX01TA119.md): Eurocopter France AS350-B2 · Hayward, CA · Accident · No injuries · Final report · Mar 18, 2001 · N996PD · Substantial damage
  > The fatigue fracture of the engine accessory drive gear while maneuvering, which resulted in a loss of engine power and collision with a residential transmission line during the ensuing forced landing. A factor associated with the accident was the residential…
- [NTSB ANC01LA020](https://openairdocs.org/ntsb/ANC01LA020.md): Eurocopter AS-350B2 · Girdwood, AK · Accident · No injuries · Limited investigation · Final report · Nov 11, 2000 · N216EH · Substantial damage
  > The pilot's failure to maintain adequate altitude/clearance from terrain. A factor in the accident was flat light conditions.

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('60053')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/turbomeca-arriel-1d1/ntsb

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