# NTSB investigations: Eurocopter AS 350 B3, 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 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 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 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 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 WPR10CA028](https://openairdocs.org/ntsb/WPR10CA028.md): Eurocopter AS 350 B3 · Marana, AZ · Accident · No injuries · Data collection · Final report · Oct 22, 2009 · N105LN · Substantial damage
  > The improper use of the throttle by the pilot receiving instruction, and the check pilot's inadequate supervision and delayed remedial action, which resulted in the collision with terrain.
- [NTSB LAX08LA198](https://openairdocs.org/ntsb/LAX08LA198.md): Eurocopter AS 350 B3 · Ash Fork, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2008 · N586AE · Substantial damage
  > The pilot's spatial disorientation resulting in his failure to detect and compensate for an unintentional descent during a go-around. Contributing to the accident were the pilot's inadequate choice of landing approach, reduced visibility from brownout…
- [NTSB LAX06LA273](https://openairdocs.org/ntsb/LAX06LA273.md): Eurocopter AS 350 B3 · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · Aug 27, 2006 · N973AE · Substantial damage
  > Internal damage to the stop electro valve which resulted in fuel starvation and subsequent loss of engine power during takeoff.
- [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 LAX05LA025](https://openairdocs.org/ntsb/LAX05LA025.md): Eurocopter AS350B3 · Sierra Vista, AZ · Accident · No injuries · Limited investigation · Final report · Nov 2, 2004 · N106LN · Substantial damage
  > An inconsistency between the engines' two N2 sensor signals caused the fuel control to enter a fixed mode, which limited the power available. Contributing to the accident was the lack of altitude and airspeed available to give the pilot time to select a…
- [NTSB LAX04CA097](https://openairdocs.org/ntsb/LAX04CA097.md): Eurocopter AS350 B3 · Mesa, AZ · Accident · No injuries · Data collection · Final report · Jan 20, 2004 · N970AE · Substantial damage
  > the pilot's excessive flare and mistimed collective application during a practice autorotation, which resulted in a loss of main rotor rpm and a subsequent hard landing. Also causal, was the flight instructor's delayed remedial action and inadequate…
- [NTSB LAX04TA052](https://openairdocs.org/ntsb/LAX04TA052.md): Eurocopter France AS 350 B3 · Yuma, AZ · Accident · No injuries · Final report · Nov 25, 2003 · N846BP · Substantial damage
  > The malfunction of the rotor drive system due to improper maintenance, which resulted in the uncoupling of the drive shaft during takeoff-initial climb. A factor associated with the accident is the undertorqued drive system bolts.
- [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.aircraft_model_code IN ('8680954'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680954&state=AZ

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