# NTSB investigations: Bell 206L-3: In flight encounter with weather

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 FTW04FA007](https://openairdocs.org/ntsb/FTW04FA007.md): Bell 206L-3 · W. Cameron 509 · Accident · 3 fatal · Field investigation · Final report · Oct 10, 2003 · N81671 · Destroyed
  > The pilot's loss of control following an inadvertent encounter with adverse weather conditions. Contributing factors were the prevailing thunderstorms, the low ceilings, and the miscommunication between the pilot and the company's communication center in…
- [NTSB ATL98FA080](https://openairdocs.org/ntsb/ATL98FA080.md): Bell 206L-3 · Indian Trail, NC · Accident · 5 fatal · Field investigation · Final report · May 25, 1998 · N96CW · Destroyed
  > The pilot's failure to maintain altitude while operating in adverse weather. A contributing factor was the incoming fog and high tension static wire.
- [NTSB FTW97LA217](https://openairdocs.org/ntsb/FTW97LA217.md): Bell 206L-3 · Weston, CO · Accident · No injuries · Limited investigation · Final report · Jun 12, 1997 · N207DS · Substantial damage
  > the pilot's improper in-flight planning/decision and failure to maintain adequate altitude and/or clearance from rising mountainous/hilly terrain. The unfavorable wind condition and low airspeed were related factors.
- [NTSB FTW95FA308](https://openairdocs.org/ntsb/FTW95FA308.md): Bell 206-L3 · Borger, TX · Accident · 1 fatal · Field investigation · Final report · Jul 22, 1995 · N111JA · Destroyed
  > The pilot's loss of control due to an encounter with a dust devil/whirlwind and the turbulence and high wind associated with thunderstorm outflow.
- [NTSB FTW92LA070](https://openairdocs.org/ntsb/FTW92LA070.md): Bell 206L-3 · South Pelto #1 · Accident · No injuries · Limited investigation · Final report · Feb 15, 1992 · N3120X · Destroyed
  > The pilot's inability to control the helicopter due to spatial disorientation. Factors were the fog and the pilot's failure to receive a weather briefing prior to the flight.
- [NTSB DEN89FA019](https://openairdocs.org/ntsb/DEN89FA019.md): Bell 206L-3 · Deckers, CO · Accident · 2 fatal · Field investigation · Final report · Oct 19, 1988 · N99TV · Destroyed
  > While on a corporate flt thru a canyon in marginal wx conds, the helicopter collided with the static portion of a power transmission line & crashed. The acdnt occurred where a 2,554 ft span of the power line crossed the south platte river. The power line…
- [NTSB FTW83FA097](https://openairdocs.org/ntsb/FTW83FA097.md): Bell 206L-3 · Goliad, TX · Accident · 2 fatal · Field investigation · Final report · Jan 21, 1983 · N3899U · Destroyed
  > The helicopter collided with trees and the ground in an attempt to reverse directions at low alt & at night after encountering weather. The plt had received a weather briefing and knew the weather was bad with low ceilings and fog. Heradioed he could make it…

## 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 ('1182108')
    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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1182108&occurrence=240

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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.
