# NTSB investigations: Turbomeca ARRIEL-1SER, 2004 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 LAX05FA056](https://openairdocs.org/ntsb/LAX05FA056.md): Eurocopter France AS350BA · Panamint Spring, CA · Accident · 1 fatal · Field investigation · Final report · Dec 30, 2004 · N410JC · Destroyed > The pilot's misjudged lateral distance from a mountainside and failure to maintain an adequate clearance from terrain and obstacles while performing a low altitude filming maneuver. - [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 LAX05LA020](https://openairdocs.org/ntsb/LAX05LA020.md): American Eurocopter AS350-BA · Oxnard, CA · Accident · Minor injuries · Limited investigation · Final report · Nov 9, 2004 · N655TV · Substantial damage > The inadvertent in-flight engagement of the collective down lock, which resulted in an uncontrolled descent and ground impact. The collective down lock engagement was likely due to a combination of the reduced clearance between the lock plate and the… - [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 CHI04CA233](https://openairdocs.org/ntsb/CHI04CA233.md): Eurocopter AS 350 B2 · New Hudson, MI · Accident · No injuries · Data collection · Final report · Aug 17, 2004 · N631SD · Substantial damage > The autorotation performed by the dual student and the delayed remedial action by the certified flight instructor. - [NTSB LAX04LA256](https://openairdocs.org/ntsb/LAX04LA256.md): Eurocopter AS350 B2 · Hilo, HI · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2004 · N196BH · Substantial damage > the pilot's inadequate planning/decision by his VFR flight into IMC, and his failure to maintain obstacle clearance which resulted in an in-flight collision with a tree. A low ceiling and fog were contributing factors. - [NTSB LAX04LA254](https://openairdocs.org/ntsb/LAX04LA254.md): Eurocopter AS-350-B2 · Scottsdale, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 1, 2004 · N513TS · Destroyed > Inadvertent in-flight engagement of the collective down lock, which resulted in an uncontrolled descent and ground impact. The collective down lock engagement was caused by the improper installation and/or adjustment of the collective locking system, which… - [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 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 DCA04MA030](https://openairdocs.org/ntsb/DCA04MA030.md): Sikorsky S76A++ · Gulf of Mexico · Accident · 10 fatal · Class 1 · Major · Final report · Mar 23, 2004 · N579EH · Destroyed > the flight crew's failure to identify and arrest the helicopter's descent for undetermined reasons, which resulted in controlled flight into terrain. - [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. ## 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 year(c."eventDate") = 2004 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&year=2004 --- 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.