NTSB investigations: Bell Helicopter Textron 206L-1
7 cases on aircraft the registry lists as Bell Helicopter Textron 206L-1, where the sequence of events included 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
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2018 | 1 |
Where
Latest 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.aircraft_model_code IN ('1182107')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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.aircraft_model_code IN ('1182107')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 GAA18CA424Accident · No injuriesData collectionFinal reportBell 206 · New Castle, INThe pilot's failure to ensure that the fill hose was disconnected from the helicopter before takeoff, which resulted in the fill hose striking the tail rotor and the subsequent loss of tail rotor effectiveness. Contributing to the accident was inadequate…NTSB CEN15FA003Accident · 3 fatalField investigationFinal reportBell Helicopter Textron 206L 1 · Wichita Falls, TXThe pilot’s failure to maintain yaw control when he applied power to execute a go-around at a low airspeed in dark, night conditions, which resulted in a rapid, uncommanded right yaw due to a loss of tail rotor effectiveness.NTSB ERA13FA273Accident · 3 fatalField investigationFinal reportBell Helicopter Textron 206L-1 · Manchester, KYThe pilot’s loss of helicopter control due to spatial disorientation when he inadvertently encountered night, instrument meteorological conditions, which resulted in the in-flight separation of the main rotor and tailboom.NTSB CEN13LA310Accident · No injuriesLimited investigationFinal reportBell Helicopter Textron 206L-1 · La Junta, COThe pilot's inadequate compensation for wind during low-altitude operations, which resulted in a loss of tail rotor effectiveness.NTSB CEN10FA509Accident · 3 fatalField investigationFinal reportBell Helicopter Textron 206L-1 · Walnut Grove, ARThe pilot’s loss of aircraft control, due to spatial disorientation, resulting in the in-flight separation of the main rotor and tail boom.NTSB CEN09LA413Accident · Serious injuriesLimited investigationFinal reportBell Helicopter Textron 206L-1 · Breckenridge, COThe pilot's failure to maintain directional control while maneuvering due to a loss of tail rotor effectiveness. Contributing to the accident was the pilot's failure to monitor wind direction while operating in the "Critical Wind Azimuth Area."NTSB CHI08FA269Accident · 3 fatalField investigationFinal reportBell 206L-1 · Greensburg, INThe in-flight separation of a main rotor blade due to a fatigue failure of the blade spar, rendering the helicopter uncontrollable, and the manufacturer's production of main rotor blades with latent manufacturing defects, which precipitated the fatigue…