# NTSB investigations: Allison 250 SER 250HP, IL

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 CEN23LA025](https://openairdocs.org/ntsb/CEN23LA025.md): Bell 206 · Greenville, IL · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 3, 2022 · N61KH · Substantial damage
  > The mechanic’s failure to inspect and clean the entire fuel nozzle assembly in accordance with the engine maintenance manual, which resulted in fuel starvation and a partial loss of engine power, an autorotation, and a hard landing.
- [NTSB CHI03LA196](https://openairdocs.org/ntsb/CHI03LA196.md): Bell 206B3 · Lansing, IL · Accident · No injuries · Limited investigation · Final report · Jul 2, 2003 · N52L · Substantial damage
  > The dynamic rollover encountered by the pilot. Factors were the inadequate remedial action by the pilot due to his failure to prevent the rollover, and the inadequate facility with regard to the design of the landing platform.
- [NTSB CHI79DA039](https://openairdocs.org/ntsb/CHI79DA039.md): Hughes 369D · Pekin, IL · Accident · 1 fatal · Closed · Apr 2, 1979 · N8629F · Substantial damage
- [NTSB CHI76FCA05](https://openairdocs.org/ntsb/CHI76FCA05.md): Hiller Acft FH1100 · Belleville, IL · Accident · Serious injuries · Closed · Nov 28, 1975 · N518FH · Substantial damage
- [NTSB CHI71FCA03](https://openairdocs.org/ntsb/CHI71FCA03.md): Hughes 369 · Wood River, IL · Accident · No injuries · Closed · Oct 21, 1970 · N9041F · Substantial damage

## 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" = 'IL' 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 ('03002', '03003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03002&state=IL

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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.