# NTSB investigations: Allison 250 SER 400HP, SC

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 ERA22LA337](https://openairdocs.org/ntsb/ERA22LA337.md): Bell 206B · Pelion, SC · Accident · No injuries · Class 4 · Limited · Final report · Jun 18, 2022 · N515TV · Substantial damage
  > The pilot’s improper landing flare during a practice autorotation.
- [NTSB ATL82DA257](https://openairdocs.org/ntsb/ATL82DA257.md): Bell 206L · Greenville, SC · Accident · No injuries · Final report · Aug 30, 1982 · N403DC · Substantial damage
  > The pilot reported that he was making an approach to a new helipad that was still under construction when he felt a severe vibration. After landing and shutdown, he discovered that the tail rotor had struck the glass cover of a heliport perimeter light.

## 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" = 'SC' 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 ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&state=SC

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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.