# Fatal NTSB investigations: Rolls-Royce 250-C20

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 WPR25FA114](https://openairdocs.org/ntsb/WPR25FA114.md): Bell 206B II · Mountain Home Park, WA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Mar 19, 2025 · N23SD · Substantial damage
  > On March 19, 2025, at 1228 Pacific daylight time, a Bell 206B II, N23SD, was substantially damaged when it impacted electrical cables and terrain near Mountain Home Park, Washington. The commercial pilot was fatally injured. The helicopter was operated as a…
- [NTSB ERA22FA160](https://openairdocs.org/ntsb/ERA22FA160.md): MD Helicopters 369 · Loxahatchee, FL · Accident · 2 fatal · Class 3 · Field · Final report · Mar 18, 2022 · N650AG · Substantial damage
  > The pilot’s failure to maintain clearance from power lines while maneuvering at low altitude.
- [NTSB CEN22FA053](https://openairdocs.org/ntsb/CEN22FA053.md): Bell 206 · Perry, OK · Accident · 1 fatal · Class 3 · Field · Final report · Nov 28, 2021 · N59600 · Destroyed
  > A loss of lateral control during a hover that resulted in an impact with terrain. Based on the available evidence, the reason for the loss of lateral control could not be determined.
- [NTSB ERA20FA012](https://openairdocs.org/ntsb/ERA20FA012.md): Bell 206 · New Salem, NC · Accident · 1 fatal · Class 3 · Field · Final report · Oct 17, 2019 · N167AG · Substantial damage
  > The pilot's inadequate visual lookout, which resulted in impact with a powerline.
- [NTSB CEN18FA074](https://openairdocs.org/ntsb/CEN18FA074.md): MD Helicopters 369HM · Perrysburg, OH · Accident · 2 fatal · Field investigation · Final report · Jan 15, 2018 · N4QX · Substantial damage
  > A loss of engine power due to snow or ice ingestion at an altitude that was insufficient to allow for engine re-ignition. Contributing to the accident were conditions, including altitude and flat light conditions, that precluded a successful autorotation to…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54178'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54178&fatal=1

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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.