# NTSB investigations: Turbomeca ARRIEL-1SER: Airframe/component/system failure/malfunction 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 LAX07IA115](https://openairdocs.org/ntsb/LAX07IA115.md): Eurocopter AS 350 BA · Kahului, HI · Incident · No injuries · Incident investigation · Final report · Mar 28, 2007 · N4010K · Minor damage > The loss of tail rotor control due to wear damage to the pitch control input rod that resulted ultimately in the fatigue failure of the upper support yoke arm. Contributing factors were the improper maintenance inspection of the expansion pin assembly and the… - [NTSB CHI05FA192](https://openairdocs.org/ntsb/CHI05FA192.md): Aerospatiale AS365N · Valparaiso, IN · Accident · No injuries · Field investigation · Final report · Jul 14, 2005 · N365S · Substantial damage > The loose tail rotor drive shaft coupling due to its improper installation by the operator's maintenance personnel, which resulted in the failure of the tail rotor drive shaft. An additional cause was the inability of the pilot to maintain control of the… - [NTSB NYC04FA117](https://openairdocs.org/ntsb/NYC04FA117.md): Eurocopter AS-350BA · Brooklyn, NY · Accident · Serious injuries · Field investigation · Final report · May 4, 2004 · N4NY · Destroyed > The pilot's failure to maintain control of the helicopter after a loss of hydraulic system pressure due to a failure of the hydraulic pump belt. Factors in this accident were the pilot's misidentification of a hydraulic failure, the pilot's subsequent failure… - [NTSB LAX04IA133](https://openairdocs.org/ntsb/LAX04IA133.md): Eurocopter AS 350B · Las Vegas, NV · Incident · No injuries · Incident investigation · Final report · Feb 20, 2004 · N358NT · Minor damage > the tail rotor pitch change lever failed in fatigue due to improper installation by company maintenance personnel. - [NTSB LAX03LA225](https://openairdocs.org/ntsb/LAX03LA225.md): American Eurocopter AS350BA · Temple Bar, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2003 · N2273A · Substantial damage > the pilot's failure to follow the published electrical system emergency procedures for a hot battery, and his misjudged landing flare during the terminal phase of the autorotation maneuver at low level. - [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 FTW03LA081](https://openairdocs.org/ntsb/FTW03LA081.md): Aerospatiale AS-350-BA · Venice, LA · Accident · Minor injuries · Limited investigation · Final report · Jan 9, 2003 · N22TV · Destroyed > The loss of tail rotor drive as a result of baggage coming in contact with the tail rotor blades after the aft cargo door was not secured. A contributing factor was the passenger's failure to follow the procedures for properly securing the helicopter's doors… - [NTSB LAX02FA281](https://openairdocs.org/ntsb/LAX02FA281.md): Aerospatiale AS350BA · Peach Springs, AZ · Accident · Minor injuries · Field investigation · Final report · Sep 12, 2002 · N357NT · Substantial damage > the pilot's failure to maintain an adequate airspeed and main rotor rpm during the landing approach as prescribed in the hydraulic pump failure emergency procedures found in the rotorcraft flight manual, thus resulting in a loss of control of the aircraft and… - [NTSB FTW02LA247](https://openairdocs.org/ntsb/FTW02LA247.md): Eurocopter AS350B3 · Eagle Pass, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 2002 · N747R · Substantial damage > The insufficient length of the stepper motor rack inside the HMU, which caused the red "GOV" light to illuminate and the fuel metering valve to freeze causing the engine to automatically engage the manual mode. - [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 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 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 LAX01LA083](https://openairdocs.org/ntsb/LAX01LA083.md): Eurocopter AS-350-B2 · Lihue, HI · Accident · Minor injuries · Limited investigation · Final report · Feb 1, 2001 · N985SA · Substantial damage > The manufacturer's inadequate collective lock design, which resulted in the collective unlocking during a preflight check and subsequent unintentional liftoff and loss of helicopter control. The pilot's loss of control was due in part to the unavailability of… - [NTSB FTW90LA044](https://openairdocs.org/ntsb/FTW90LA044.md): Aerospatiale AS-350B · Grand Prairie, TX · Accident · No injuries · Limited investigation · Final report · Dec 25, 1989 · N249HS · Substantial damage > Manufacturer's failure to property install the left side components of the dual control system following its removal for additional completion work prior to delivery of the aircraft. Contributing to the accident was the failure of quality control personnel to… ## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('60030') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=60030&occurrence=130 --- 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.