# NTSB investigations: Eurocopter AS 350 B2, AK 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 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 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 ANC16LA022](https://openairdocs.org/ntsb/ANC16LA022.md): Airbus AS350 · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · May 5, 2016 · N194EH · Substantial damage > The pilot's failure to maintain terrain clearance while on approach to land in flat light conditions. Contributing to the severity of the pilot's injuries was the inadequately restrained internal cargo, which shifted forward during the impact and struck 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 ANC08CA129](https://openairdocs.org/ntsb/ANC08CA129.md): Eurocopter AS 350 B2 · Kenai, AK · Accident · No injuries · Data collection · Final report · Sep 28, 2008 · N352EV · Substantial damage > The pilot's failure to maintain tail rotor clearance from the safety netting during final approach and landing. - [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 ANC06LA100](https://openairdocs.org/ntsb/ANC06LA100.md): Eurocopter AS 350B2 · Skagway, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 2006 · N301TH · Substantial damage > The pilot's failure to maintain adequate clearance from trees while hovering, which resulted in a main rotor strike with trees, an uncontrolled descent, and a collision with terrain. - [NTSB ANC02LA068](https://openairdocs.org/ntsb/ANC02LA068.md): Eurocopter France AS-350-B2 · Denali Park, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2002 · N197EH · Substantial damage > The pilot's failure to maintain aircraft control during takeoff, which resulted in dynamic rollover of the helicopter. A contributing factor was the frozen terrain. - [NTSB ANC02FA029](https://openairdocs.org/ntsb/ANC02FA029.md): Eurocopter AS-350-B2 · Valdez, AK · Accident · No injuries · Field investigation · Final report · Apr 11, 2002 · N917JT · Substantial damage > The pilot's failure to disengage the hydraulic system, and maintain forward airspeed during landing as delineated in the emergency procedures section of the helicopter's operations manual, which resulted in a loss of control while hovering. Factors… - [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. - [NTSB ANC99FA139](https://openairdocs.org/ntsb/ANC99FA139.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · Serious injuries · Field investigation · Final report · Sep 10, 1999 · N6007S · Destroyed > The pilot's continued flight into instrument meteorological conditions (IMC), and inadequate altitude/clearance. Factors associated with the accident were flat light and whiteout conditions, snow, and snow-covered terrain. An additional factor was the FAA's… - [NTSB ANC99LA036](https://openairdocs.org/ntsb/ANC99LA036.md): Eurocopter AS-350-B2 · Girdwood, AK · Accident · No injuries · Limited investigation · Final report · Mar 17, 1999 · N197EH · Substantial damage > The pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and snow-covered terrain. ## 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" = 'AK' 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 ('8680950')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=8680950&state=AK --- 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.