# NTSB investigations: Turbomeca ARRIEL-1SER, 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 GAA19CA233](https://openairdocs.org/ntsb/GAA19CA233.md): Aerospatiale AS350 · Juneau, AK · Accident · No injuries · Data collection · Final report · Apr 28, 2019 · N288CH · Substantial damage > The pilot's failure to maintain a proper approach to landing on a ridge and his failure to maintain clearance from snow-covered terrain, which resulted in a tail rotor strike. - [NTSB GAA18CA289](https://openairdocs.org/ntsb/GAA18CA289.md): Aerospatiale AS350 B2 Ecureuil · Yakutat, AK · Accident · No injuries · Data collection · Final report · May 18, 2018 · N288CH · Substantial damage > The helicopter’s movement during startup in gusting wind conditions, which resulted in the main rotor striking the tailboom. - [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 ANC09LA031](https://openairdocs.org/ntsb/ANC09LA031.md): Aerospatiale AS350 B2 E · Haines, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 13, 2009 · N208CH · Substantial damage > The pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions. - [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 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 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 ANC06LA044](https://openairdocs.org/ntsb/ANC06LA044.md): Aerospatiale AS-350BA · Haines, AK · Accident · No injuries · Limited investigation · Final report · Apr 6, 2006 · N209CH · Substantial damage > The pilot's failure to maintain adequate clearance from an object while landing a helicopter at a remote site, which resulted in the main rotor blades striking a tree. - [NTSB ANC04LA053](https://openairdocs.org/ntsb/ANC04LA053.md): Aerospatiale AS-350B2 · Skagway, AK · Accident · No injuries · Limited investigation · Final report · May 11, 2004 · N60618 · Substantial damage > A loss of engine power during cruise flight for an undetermined reason, which resulted in a ditching and submersion of the helicopter when the emergency float system did not deploy. Factors contributing to the accident were improper rigging of the mechanical… - [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 ANC01LA139](https://openairdocs.org/ntsb/ANC01LA139.md): Eurocopter AS 350 BA · Skagway, AK · Accident · No injuries · Limited investigation · Final report · Sep 9, 2001 · N60809 · Substantial damage > The pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and snow-covered terrain. - [NTSB ANC00LA132](https://openairdocs.org/ntsb/ANC00LA132.md): Eurocopter AS-350B-3 · Ketchikan, AK · Accident · No injuries · Limited investigation · Final report · Sep 23, 2000 · N405AE · Substantial damage > The pilot's inadvertent activation of the collective flight stop/emergency fuel augmentation switch, which resulted in engine and main rotor overspeeds, thereby precipitating failures of the tail rotor drive shaft coupling and power turbine blades. A factor… - [NTSB ANC99LA141](https://openairdocs.org/ntsb/ANC99LA141.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 1999 · N6099Y · Substantial damage > The pilot's failure to maintain altitude/clearance. Factors associated with the accident were flat light conditions, snow-covered terrain, and self-induced pressure to continue the search. - [NTSB ANC99LA140](https://openairdocs.org/ntsb/ANC99LA140.md): Eurocopter AS-350B-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 10, 1999 · N6052C · Substantial damage > The pilot's failure to maintain altitude/clearance. Factors associated with the accident were flat light conditions, snow-covered terrain, and self-induced pressure to continue the search. - [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. - [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 ANC98LA032](https://openairdocs.org/ntsb/ANC98LA032.md): Aerospatiale AS-350B · Soldotna, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 30, 1998 · N158EH · Substantial damage > The pilot's inadvertent dynamic rollover while performing a slope landing. Factors associated with the accident are the presence of rough and uneven terrain, and the pilot's improper slope landing technique. - [NTSB ANC95LA062](https://openairdocs.org/ntsb/ANC95LA062.md): Aerospatiale AS-350-B2 · Skagway, AK · Accident · No injuries · Limited investigation · Final report · May 31, 1995 · N60618 · Substantial damage > The pilot's selection of unsuitable terrain for landing. Factors in the accident were the uneven and icy 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.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&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.