# NTSB investigations: American Eurocopter AS350B3 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 WPR25LA249](https://openairdocs.org/ntsb/WPR25LA249.md): American Eurocopter AS350B3 · Las Cruces, NM · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 9, 2025 · N279AM · Minor damage > On August 8, 2025, about 1946 mountain daylight time, an Airbus AS350 B3, N279AM, was substantially damaged when it was involved in an accident near Las Cruces, New Mexico. The pilot, two crew members and a passenger were not injured. The helicopter was… - [NTSB WPR25LA189](https://openairdocs.org/ntsb/WPR25LA189.md): American Eurocopter AS350B3 · San Luis, AZ · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N3951A · Substantial damage > The pilot receiving instruction’s failure to properly recover the helicopter during an autorotative landing and the instructor pilot’s failure to intervene, which resulted in a hard landing. - [NTSB WPR25FA062](https://openairdocs.org/ntsb/WPR25FA062.md): American Eurocopter AS350B3 · Potrero, CA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 16, 2024 · N617GC · Substantial damage > The pilot’s loss of control during cruise flight due to incapacitation for reasons that could not be determined. - [NTSB CEN24LA129](https://openairdocs.org/ntsb/CEN24LA129.md): American Eurocopter AS350B3 · Fort Morgan, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 5, 2024 · N853MB · Substantial damage > An inflight collision with birds while on approach. - [NTSB WPR21LA027](https://openairdocs.org/ntsb/WPR21LA027.md): American Eurocopter AS350B3 · Silver City, NM · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 27, 2020 · N530H · Substantial damage > The pilot’s failure to maintain sufficient altitude above terrain while operating in reduced visibility due to snow showers. - [NTSB WPR20LA244](https://openairdocs.org/ntsb/WPR20LA244.md): American Eurocopter AS350 · Pioche, NV · Accident · 2 fatal · Class 3 · Limited · Final report · Jul 29, 2020 · N755AE · Destroyed > The pilot’s failure to maintain altitude from terrain and subsequent loss of helicopter control due to entanglement of the external load cable with the tail rotor. - [NTSB GAA19CA238](https://openairdocs.org/ntsb/GAA19CA238.md): Aerospatiale AS350 · Sula, MT · Accident · No injuries · Data collection · Final report · Apr 30, 2019 · N350DL · Substantial damage > The pilot's failure to maintain adequate clearance from ground equipment, which resulted in a tail rotor blade impact. - [NTSB CEN19FA018](https://openairdocs.org/ntsb/CEN19FA018.md): Eurocopter AS350 · Odanah, WI · Accident · 1 fatal · Field investigation · Final report · Oct 29, 2018 · N910S · Destroyed > The pilot's loss of helicopter control for undetermined reasons. - [NTSB WPR16LA019](https://openairdocs.org/ntsb/WPR16LA019.md): American Eurocopter AS350B3 · Folsom, CA · Accident · No injuries · Limited investigation · Final report · Oct 24, 2015 · N911WL · Substantial damage > The flight instructor's failure to perform simulated engine failure training in accordance with manufacturer guidance, including his improper recovery from the maneuver, which resulted in an overshoot of the intended landing zone when the engine did not… - [NTSB GAA15CA258](https://openairdocs.org/ntsb/GAA15CA258.md): Airbus AS350 · Draper, UT · Accident · No injuries · Data collection · Final report · Sep 9, 2015 · N253HP · Substantial damage > The ground recovery team member's failure to secure a rescue rope during the helicopter loading process in steep terrain, resulting in the rope fouling the helicopter's main rotor system. - [NTSB CEN15MA290](https://openairdocs.org/ntsb/CEN15MA290.md): Airbus Helicopters AS350B3E · Frisco, CO · Accident · 1 fatal · Class 1 · Major · Final report · Jul 3, 2015 · N390LG · Destroyed > Airbus Helicopters' dual-hydraulic AS350 B3e helicopter's (1) preflight hydraulic check, which depleted hydraulic pressure in the tail rotor hydraulic circuit, and (2) lack of salient alerting to the pilot that hydraulic pressure was not restored before… - [NTSB WPR14GA281](https://openairdocs.org/ntsb/WPR14GA281.md): American Eurocopter AS350B3 · Fallon, NV · Accident · Minor injuries · Final report · Jul 4, 2014 · N832PA · Substantial damage > A loss of tail rotor effectiveness, which resulted in an uncontrolled rotation and descent into terrain. Contributing to the accident was a sudden shift in wind conditions and the helicopter's high power demand condition due to its load weight and operating… - [NTSB CEN14FA193](https://openairdocs.org/ntsb/CEN14FA193.md): Airbus AS350 B3E · Albuquerque, NM · Accident · Minor injuries · Field investigation · Final report · Apr 9, 2014 · N395P · Substantial damage > The pilot's loss of yaw control during takeoff due to the absence of hydraulic boost to the tail rotor pedals for reasons that could not be determined based on the available information. A finding in the accident was the lack of a caution indicator to alert… - [NTSB CEN14GA109](https://openairdocs.org/ntsb/CEN14GA109.md): American Eurocopter AS350B3 · Encino, TX · Accident · Serious injuries · Final report · Jan 10, 2014 · N3948A · Substantial damage > The pilot’s failure to maintain directional control while maneuvering, which resulted in a loss of tail rotor effectiveness. Contributing to the accident were the pilot’s limited experience in the operating environment and lack of formal mission training. - [NTSB ANC13CA035](https://openairdocs.org/ntsb/ANC13CA035.md): Eurocopter AS350B3 · Stevens Village, AK · Accident · No injuries · Data collection · Final report · Mar 24, 2013 · N353DL · Substantial damage > The pilot’s inadvertent cyclic control input after landing, which resulted in the main rotor blades striking the ground. - [NTSB WPR13TA051](https://openairdocs.org/ntsb/WPR13TA051.md): Eurocopter AS350B3 2B1 · Newfield, AZ · Accident · Minor injuries · Final report · Nov 23, 2012 · N3984A · Substantial damage > The pilot's distraction while retrieving an item behind him while the helicopter was on the ground with the engine running, which led to his aggressive overapplication of the flight controls after experiencing a ground resonance condition and subsequent loss… - [NTSB WPR12TA364](https://openairdocs.org/ntsb/WPR12TA364.md): American Eurocopter AS350B3 · Sunburst, MT · Accident · No injuries · Final report · Aug 18, 2012 · N3939A · Substantial damage > The improper installation of the engine-to-main gearbox flex coupling, which resulted in the failure of the flex coupling and a loss of power to the rotor system during takeoff. - [NTSB WPR10FA371](https://openairdocs.org/ntsb/WPR10FA371.md): American Eurocopter AS 350 B3 · Tucson, AZ · Accident · 3 fatal · Field investigation · Final report · Jul 28, 2010 · N509AM · Substantial damage > The repair station technician did not properly install the fuel inlet union during reassembly of the engine; the operator’s maintenance personnel did not adequately inspect the technician's work; and the pilot who performed the post maintenance check flight… ## 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.aircraft_model_code IN ('1145004', '1145002')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=1145004 --- 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.