# NTSB investigations: Allison 250-C28 series, CA

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 LAX88FA330](https://openairdocs.org/ntsb/LAX88FA330.md): Bell 206L-1 · Santa Barbara, CA · Accident · No injuries · Field investigation · Final report · Sep 29, 1988 · N2246Q · Substantial damage
  > Failure of the #1 turbine wheel. Contributing to this accident was the unreported over temperature cycles of the engine. Also contributing was the unsuitability of the landing surface from the presence of the 1/4 inch steel sheeting.
- [NTSB LAX85LA092](https://openairdocs.org/ntsb/LAX85LA092.md): Bell 2061-1 · Santa Barbara, CA · Accident · No injuries · Limited investigation · Final report · Jan 3, 1985 · N2246Q · Substantial damage
  > During takeoff & departure, the helicopter climbed to about 150 ft AGL & started to proceed over water. As it crossed over the shoreline near the end of the rwy, the eng flamed out. The plt turned about 120 deg back toward a Beech area & made an autorotative…
- [NTSB LAX83FA420](https://openairdocs.org/ntsb/LAX83FA420.md): Hughes 369HS · Ventura, CA · Accident · 1 fatal · Field investigation · Final report · Sep 4, 1983 · N8500N · Destroyed
  > The helicopter was observed descending 'straight down' & 'nose first.' The wreckage was located about 200 yds offshore in about 30 ft of water. Witnesses stated that it was dark & hazy. They were able to see the acft lights, but not the stars. The plt did not…

## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03022&state=CA

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