# NTSB investigations: Allison 250-C28 series: 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 LAX04FA076](https://openairdocs.org/ntsb/LAX04FA076.md): Agusta A109A · Redwood Valley, CA · Accident · 3 fatal · Field investigation · Final report · Dec 24, 2003 · N25RX · Destroyed
  > The pilot's improper in-flight planning and decision to continue flight under visual flight rules into deteriorating weather conditions, which resulted in an inadvertent in-flight encounter with instrument meteorological conditions and a collision with rising…
- [NTSB ATL02FA048](https://openairdocs.org/ntsb/ATL02FA048.md): Bell 206L-1 · New Smyrna Bch., FL · Accident · 2 fatal · Field investigation · Final report · Feb 16, 2002 · N23PJ · Destroyed
  > The pilot continued visual flight into instrument conditions that resulted in the in-flight collision with trees. Factor were the pilot's alcohol impaired condition, and low cloud conditions.
- [NTSB BFO94FA013](https://openairdocs.org/ntsb/BFO94FA013.md): Bell 206L-1 · Portland, ME · Accident · 3 fatal · Field investigation · Final report · Nov 20, 1993 · N911ME · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions, and his failure to assure that adequate fuel was available to complete the flight, resulting in a loss of engine power due to fuel exhaustion. Factors which contributed to the…
- [NTSB SEA87MA034](https://openairdocs.org/ntsb/SEA87MA034.md): Bell 206L-1 · Pendleton, OR · Accident · 3 fatal · Major investigation · Final report · Dec 4, 1986 · N7EC · Destroyed
  > The helicopter departed Pendleton on an emerg med svc/med-evac (EMS) flt to transport a patient to portland. After delivering the patient, the plt took off on the rtn flt with 2 med psnl aboard. Drg arrival at 1658 PST, he requested a special VFR (svfr)…

## 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.engine_model_code IN ('03022', '03021')
    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?engine=03022&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.