# NTSB investigations: Bell 407: 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 SEA04MA167](https://openairdocs.org/ntsb/SEA04MA167.md): Bell 407 · Battle Mountain, NV · Accident · 5 fatal · Major investigation · Final report · Aug 22, 2004 · N2YN · Destroyed
  > The pilot's failure to maintain clearance from mountainous terrain. Contributing factors were the pilot's improper decision to take the direct route over mountainous terrain, the dark night conditions, and the pressure to complete the mission induced by the…
- [NTSB CHI04MA182](https://openairdocs.org/ntsb/CHI04MA182.md): Bell 407 · Newberry, SC · Accident · 4 fatal · Major investigation · Final report · Jul 13, 2004 · N503MT · Destroyed
  > The pilot's failure to maintain terrain clearance as a result of fog conditions. A contributing factor was inadequate weather and dispatch information relayed to the pilot.
- [NTSB FTW04FA097](https://openairdocs.org/ntsb/FTW04FA097.md): Bell 407 · Pyote, TX · Accident · 4 fatal · Field investigation · Final report · Mar 21, 2004 · N502MT · Destroyed
  > The pilot's inadvertent encounter with adverse weather, which resulted in the pilot failing to maintain terrain clearance. Contributing factors were the dark night conditions, the pilot's inadequate preflight preparation and planning, and the pressure to…
- [NTSB NYC99GA197](https://openairdocs.org/ntsb/NYC99GA197.md): Bell 407 · Georgetown, DE · Accident · Minor injuries · Final report · Aug 17, 1999 · N97SP · Destroyed
  > The pilot's improper preflight evaluation of the weather, which resulted in inadvertent flight into IMC. Factors were the fog, and night conditions.

## 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 ('1182206')
    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=1182206&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.
