# NTSB investigations: Allison 250-C30 series: Collision with terr/obj (non-CFIT)

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 ERA25FA005](https://openairdocs.org/ntsb/ERA25FA005.md): Bell 206L-3 · Owenton, KY · Accident · 3 fatal · Class 3 · Field · Preliminary report · Oct 7, 2024 · N230AE · Destroyed
  > On October 7, 2024, at 1730 eastern daylight time, a Bell 206L3+, N230AE, was destroyed when it was involved in an accident in Owenton, Kentucky. The pilot, a flight nurse, and a flight medic were fatally injured. The helicopter was operated by Air Evac Life…
- [NTSB WPR22LA031](https://openairdocs.org/ntsb/WPR22LA031.md): Bell 206L-3 · Covelo, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2021 · N27TK · Substantial damage
  > A passenger’s unsecured object departed the cabin resulted in a collision with the tail rotor drive shaft.

## 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 ('03015')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '470'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/cases?engine=03015

---
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.
