# NTSB investigations: Allison 250-C47 series, 2025

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 WPR26LA062](https://openairdocs.org/ntsb/WPR26LA062.md): Bell 407 · Las Vegas, NV · Accident · No injuries · Class 4 · Limited · Final report · Dec 15, 2025 · N404LL · Substantial damage
  > Tail rotor blade impact from an unidentified object at an undetermined time.
- [NTSB CEN25LA380](https://openairdocs.org/ntsb/CEN25LA380.md): Bell 407 · Decatur, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 16, 2025 · N407WA · Substantial damage
  > The instructor candidate’s erroneous operation of the throttle during an autorotation from altitude with power recovery, which resulted in a hard landing.
- [NTSB GAA25WA242](https://openairdocs.org/ntsb/GAA25WA242.md): MD Helicopters 600N · Storrington, United Kingdom · Accident · No injuries · Class 5 · Foreign · Aug 15, 2025 · N600MW · Substantial damage
- [NTSB GAA25WA129](https://openairdocs.org/ntsb/GAA25WA129.md): Mcdonnell Douglas Helicopter 600 · Dos Ríos, Mexico · Accident · No injuries · Class 5 · Foreign · Mar 21, 2025 · N511VA · 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 year(c."eventDate") = 2025
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03029'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03029&year=2025

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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.