NTSB investigations: Turbomeca ARRIEL-1SER
11 cases on aircraft whose registry engine model is Turbomeca ARRIEL-1SER, where the first occurrence was “Loss of control - in flight”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1999 | 1 |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2004 | 3 |
| 2005 | 2 |
| 2007 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 250))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB NYC07MA073Accident · 4 fatalMajor investigationFinal reportAerospatiale AS350BA · Princeville, HIThe failure of maintenance personnel to properly tighten (torque) the flight control servo lower attachment clevis, and reinstall a functioning lock washer, which resulted in a flight control disconnect and a complete loss of helicopter control. Contributing…NTSB IAD05MA078Accident · Serious injuriesMajor investigationFinal reportSikorsky S-76C · New York, NYAn inadvertent encounter with a left quartering tailwind. Factors in the accident were settling with power, the high gross weight of the helicopter, and the crew's failure to accurately assess the winds in the area.NTSB LAX05GA192Accident · Serious injuriesFinal reportEurocopter AS 350 B2 · Bisbee, AZthe pilot's failure to maintain an adequate forward airspeed, which resulted in an in-flight loss of control due to a loss of tail rotor effectiveness, while operating near the out of ground effect hover capability of the helicopter. Contributing factors to…NTSB LAX05FA053Accident · 1 fatalField investigationFinal reportEurocopter AS-350-B3 · Apache Junction, AZA loss of control during the final approach to land for undetermined reasons.NTSB LAX05LA020Accident · Minor injuriesLimited investigationFinal reportAmerican Eurocopter AS350-BA · Oxnard, CAThe 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 LAX04LA254Accident · Minor injuriesLimited investigationFinal reportEurocopter AS-350-B2 · Scottsdale, AZInadvertent 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 DEN03LA020Accident · Minor injuriesLimited investigationFinal reportAerospatiale AS-350BA · Monticello, UTthe pilot's failure to maintain rotor rpm. A related factor was the presence of an object in the path during the touchdown.NTSB ATL02LA097Accident · No injuriesLimited investigationFinal reportAerospatiale 350B · Gainesville, GAThe check airman’s failure to follow prescribed procedures that resulted in the lost of control and subsequent in-flight collision with the terrain. A factor was gusting wind conditions.NTSB LAX01MA272Accident · 6 fatalMajor investigationFinal reportEurocopter AS350-B2 · Meadview, AZThe pilot’s loss of control of the helicopter for undetermined reasons.NTSB LAX00LA195Accident · No injuriesLimited investigationFinal reportEurocopter AS350B2 · Mesa, AZthe instructor pilot's failure to maintain control of the helicopter.NTSB LAX99LA282Accident · No injuriesLimited investigationFinal reportAerospatiale AS350BA · Kahului, HIThe pilot's initial misjudgment of the wind speed and his decision to continue a downwind landing approach when his speed and altitude profile was inadequate, and his failure to maintain main rotor rpm, resulting in settling with power and a hard landing.