NTSB investigations: Bell Helicopter Textron 206L-1

6 cases on aircraft the registry lists as Bell Helicopter Textron 206L-1, where the first occurrence was “In flight collision with terrain/water”. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19842026

NTSB investigations: Bell Helicopter Textron 206L-1 per year, 1984–2026: 6 cases
1984	1
1990	1
1993	1
1995	1
2002	1
2004	1

Where

Open the map

Latest cases

Query with 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 ('1182107') 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" = 230)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 230))
  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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 CHI04FA107Accident · 1 fatalField investigationFinal reportBell 206L-1 · Boonville, INThe pilot's inadequate planning/decision which resulted in his failure to maintain terrain clearance. Contributing factors were the pilot's inadequate preflight planning, his diverted attention, and the dark night conditions.Apr 21, 2004 · N137AE · Substantial damage NTSB LAX02LA178Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Meadview, AZthe pilot's failure to maintain distance and altitude during landing approach, resulting in the helicopter striking the ground during approach.May 28, 2002 · N1075S · Destroyed NTSB LAX95FA339Accident · 1 fatalField investigationFinal reportBell 206L-1 · Irvine, CAthe pilot's intentional VFR flight into IMC conditions and failure to maintain an adequate terrain clearance altitude, and the local controller's improper use of ATC procedure/technique. Factors in the accident were the helicopter's low fuel state and lack of…Sep 20, 1995 · N700TH · Destroyed NTSB FTW93LA081Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Vermillion 39The pilot's failure to maintain proper altitude.Feb 8, 1993 · N2244W · Substantial damage NTSB FTW90FA178Accident · 1 fatalField investigationFinal reportBell B206LI · Port O'Connor, TXThe pilot's failure to maintain proper altitude. Factors were the pilot's decision to fly into the known adverse weather and the weather/light conditions.Sep 12, 1990 · N882BT · Destroyed NTSB FTW84LA154Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Intracstl City, LAThe helicopter collided with marsh terrain while spotting dead alligators. The plt does not remember events of the accident. The helicopter operator stated the helicopter appeared to have impacted at a low airspeed at a normal RPM. The emergemcy floats were…Mar 3, 1984 · N27798 · Substantial damage