# Fatal 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 ERA16FA140](https://openairdocs.org/ntsb/ERA16FA140.md): Eurocopter AS 350 B2 · Enterprise, AL · Accident · 4 fatal · Field investigation · Final report · Mar 26, 2016 · N911GF · Substantial damage
  > The pilot's decision to perform visual flight rules flight into night instrument meteorological conditions, which resulted in loss of control due to spatial disorientation. Contributing to the accident was the pilot's self-induced pressure to complete the…
- [NTSB CEN13FA192](https://openairdocs.org/ntsb/CEN13FA192.md): Sikorsky S-76A++ · Grand Lake, LA · Accident · 3 fatal · Field investigation · Final report · Mar 15, 2013 · N574EH · Destroyed
  > Fracture of the red tail rotor blade spar, which resulted in the separation and departure of the red tail rotor blade from the helicopter and subsequent compromised tail gearbox. The red tail rotor blade was not recovered, thus the cause of the initial…
- [NTSB WPR12FA282](https://openairdocs.org/ntsb/WPR12FA282.md): Aerospatiale AS350B · Camp Verde, AZ · Accident · 4 fatal · Field investigation · Final report · Jun 30, 2012 · N729DP · Substantial damage
  > The pilot's improper decision to fly at a low altitude through a river canyon, contrary to voluntary guidance within the Special Conservation Area, which led to collision with a cable. Contributing to the pilot’s decision were his cognitive and psychomotor…
- [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 ANC12FA006](https://openairdocs.org/ntsb/ANC12FA006.md): Eurocopter AS 350 B2 · Iliamna, AK · Accident · 1 fatal · Field investigation · Final report · Oct 30, 2011 · N165EH · Destroyed
  > The pilot's loss of control due to sudden medical impairment or incapacitation.
- [NTSB CEN10FA424](https://openairdocs.org/ntsb/CEN10FA424.md): Eurocopter AS 350 B2 · Kingfisher, OK · Accident · 2 fatal · Field investigation · Final report · Jul 23, 2010 · N918EM · Substantial damage
  > The pilot’s impaired judgment, due to medications, which led to an abrupt low-level maneuver and subsequent impact with trees and terrain.
- [NTSB CEN10FA113](https://openairdocs.org/ntsb/CEN10FA113.md): Aerospatiale AS350 · El Paso, TX · Accident · 3 fatal · Field investigation · Final report · Feb 6, 2010 · N157BC · Substantial damage
  > The pilot's loss of situational awareness resulting in controlled flight into terrain. Contributing to the accident was the pilot's unfamiliarity with the hazards of a low-contrast area while using night vision goggles.
- [NTSB ERA09FA537](https://openairdocs.org/ntsb/ERA09FA537.md): Eurocopter AS-350 · Georgetown, SC · Accident · 3 fatal · Field investigation · Final report · Sep 26, 2009 · N417AE · Destroyed
  > The pilot’s decision to continue the visual flight rules flight into an area of instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and a loss of control of the helicopter. Contributing to the accident was the inadequate…
- [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 ANC08FA053](https://openairdocs.org/ntsb/ANC08FA053.md): Eurocopter AS 350 B2 · Chickaloon, AK · Accident · 4 fatal · Field investigation · Final report · Apr 15, 2008 · N213EH · Substantial damage
  > An in-flight overtorque of the engine-to-transmission driveshaft resulting in disconnection of the main transmission from the engine. The overtorque likely occurred due to an in-flight main rotor blade contact with snow-covered terrain, precluding significant…
- [NTSB ANC08FA025](https://openairdocs.org/ntsb/ANC08FA025.md): Eurocopter Deutschland BK117C1 · Whittier, AK · Accident · 4 fatal · Field investigation · Final report · Dec 3, 2007 · N141LG · Substantial damage
  > The pilot's decision to continue VFR flight into night instrument meteorological conditions. Contributing to the accident were the operator's failure to adhere to an FAA-approved and mandated safety risk management program, the FAA's failure to provide…
- [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 MIA06FA022](https://openairdocs.org/ntsb/MIA06FA022.md): Aerospatiale AS350B · Homestead, FL · Accident · 1 fatal · Field investigation · Final report · Nov 21, 2005 · N264BH · 2 aircraft · Substantial damage
  > The failure of both pilot's to maintain visual lookout resulting in the mid-air collision. A factor in the accident was the failure of the AS-350B pilot to follow approach procedures suggested in the Speedway Heliport Operations Manual. Findings in the…
- [NTSB LAX05FA056](https://openairdocs.org/ntsb/LAX05FA056.md): Eurocopter France AS350BA · Panamint Spring, CA · Accident · 1 fatal · Field investigation · Final report · Dec 30, 2004 · N410JC · Destroyed
  > The pilot's misjudged lateral distance from a mountainside and failure to maintain an adequate clearance from terrain and obstacles while performing a low altitude filming maneuver.
- [NTSB LAX05FA053](https://openairdocs.org/ntsb/LAX05FA053.md): Eurocopter AS-350-B3 · Apache Junction, AZ · Accident · 1 fatal · Field investigation · Final report · Dec 15, 2004 · N971AE · Substantial damage
  > A loss of control during the final approach to land for undetermined reasons.
- [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 DEN03FA099](https://openairdocs.org/ntsb/DEN03FA099.md): Agusta A109K2 · Salt Lake City, UT · Accident · 1 fatal · Field investigation · Final report · Jun 8, 2003 · N123RX · Destroyed
  > Fatigue of the tail rotor trunnion resulting in complete trunnion failure and subsequent tail rotor separation from the helicopter. Factors contributing to the accident were the low altitude, low airspeed, excessive tail rotor loading, and the worn tail-rotor…
- [NTSB CHI02FA174](https://openairdocs.org/ntsb/CHI02FA174.md): Eurocopter France AS-350-B2 · Norfolk, NE · Accident · 3 fatal · Field investigation · Final report · Jun 21, 2002 · N852HW · Substantial damage
  > A loss of tail rotor effectiveness and the pilot's failure to maintain control of the helicopter. Factors associated with the accident were the binding of the tail rotor pitch changed rod, the gusty wind conditions, and the pilot’s lack of total experience in…
- [NTSB LAX02FA114](https://openairdocs.org/ntsb/LAX02FA114.md): Eurocopter AS-350B · Susanville, CA · Accident · 1 fatal · Field investigation · Final report · Mar 21, 2002 · N1184H · Substantial damage
  > Failure of the pilot to maintain sufficient altitude/clearance above the water while performing a low altitude flight. Factors relating to the accident were the glassy water condition, and a lack of visual cues concerning perception of altitude.
- [NTSB FTW02FA017](https://openairdocs.org/ntsb/FTW02FA017.md): Aerospatiale AS350B2 · Roswell, NM · Accident · 2 fatal · Field investigation · Final report · Oct 19, 2001 · N111DT · Destroyed
  > The seizing of the cyclic control for an undetermined reason. A contributing factor was the lack of altitude for the pilot to regain control of the helicopter.
- [NTSB LAX01LA304](https://openairdocs.org/ntsb/LAX01LA304.md): Aerospatiale AS350BA · Chico, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 23, 2001 · N911NT · Destroyed
  > the pilot's inadequate in-flight decision and delay in initiating a go-around during an encounter with brown out conditions, which led to his failure to maintain alignment of the helicopter with the intended go-around flight path and a resulting collision…
- [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.
- [NTSB ANC98FA061](https://openairdocs.org/ntsb/ANC98FA061.md): Aerospatiale AS-350-B2 · Juneau, AK · Accident · 2 fatal · Field investigation · Final report · May 31, 1998 · N187EH · 2 aircraft · Substantial damage
  > The failure of both command pilots to maintain an adequate lookout to see and avoid each other's aircraft. Factors associated with the accident were the pilot's failure to follow published advisory procedures to monitor/issue position reports on the…
- [NTSB FTW94FA224](https://openairdocs.org/ntsb/FTW94FA224.md): Aerospatiale AS 350B-2 · Granite, CO · Accident · 2 fatal · Field investigation · Final report · Jul 10, 1994 · N95LG · Destroyed
  > Failure of the pilot to assure main rotor clearance from sloping terrain while in a hover. The terrain condition was a related factor.
- [NTSB CHI93FA182](https://openairdocs.org/ntsb/CHI93FA182.md): Aerospatiale AS-350B · Cameron, MO · Accident · 2 fatal · Field investigation · Final report · May 27, 1993 · N782LF · Destroyed
  > The loss of engine power due to failure of the second stage turbine labyrinth seal. Factors related to the accident were: the unfavorable wind and tall trees bordering the emergency landing area.
- [NTSB SEA90FA115](https://openairdocs.org/ntsb/SEA90FA115.md): Aerospatiale AS350B · Glacier, WA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 1990 · N101FW · Substantial damage
  > Passenger did not follow the procedures associated with the operations in the vicinity of the helicopter.

## 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."highestInjuryLevel" = 'Fatal'
  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&fatal=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.
