# NTSB investigations: Allison 250-C20: Miscellaneous/other

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 WPR26LA086](https://openairdocs.org/ntsb/WPR26LA086.md): Bell 206L-3 · Logsden, OR · Accident · Serious injuries · Class 4 · Limited · Final report · Jan 15, 2026 · N868H · Substantial damage
  > The inadvertent entanglement of a long line with the skid, which resulted in a loss of flight control. Contributing to the accident was the use of nylon lines instead of steel cables to secure the bucket.
- [NTSB ERA09CA138](https://openairdocs.org/ntsb/ERA09CA138.md): MD Helicopter 369E · Atlanta, GA · Accident · No injuries · Data collection · Final report · Jan 20, 2009 · N369PD · Substantial damage
  > Wind gusts during engine shutdown, which resulted in the main rotor blades contacting the tailboom.

## 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 ('03080')
    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" = '900'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/900/cases?engine=03080

---
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.