# Fatal NTSB investigations: Rolls-Royce 250-C20B

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 WPR25FA190](https://openairdocs.org/ntsb/WPR25FA190.md): MD Helicopters 369E · Meeker, CO · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 25, 2025 · N411WJ · Substantial damage
  > On June 25, 2025, about 1001 mountain daylight time, an MD Helicopters 369E, N411WJ, was substantially damaged when it was involved in an accident near Meeker, Colorado. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal…
- [NTSB CEN23LA342](https://openairdocs.org/ntsb/CEN23LA342.md): Bell 206B · Denison, IA · Accident · 1 fatal · Class 4 · Limited · Final report · Jul 30, 2023 · N231RL · Substantial damage
  > The pilot’s inflight distraction, which resulted in his failure to see and avoid wires.
- [NTSB CEN20LA167](https://openairdocs.org/ntsb/CEN20LA167.md): MD Helicopter 369 · Houston, TX · Accident · 1 fatal · Class 3 · Limited · Final report · May 2, 2020 · N8375F · Substantial damage
  > An uncommanded right yaw that occurred for reasons that could not be determined based on the available evidence, which resulted in a loss control.
- [NTSB WPR19FA109](https://openairdocs.org/ntsb/WPR19FA109.md): Bell 206 · Fort McDowell, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Apr 16, 2019 · N61PH · Destroyed
  > The separation of the main rotor head from the mast as a result of a sudden displacement of the cyclic stick during a low-G maneuver, leading to mast bumping. Contributing to the accident were the unsecure positioning of the flight test engineer’s laptop…
- [NTSB ERA19FA118](https://openairdocs.org/ntsb/ERA19FA118.md): Hughes 369 · Talking Rock, GA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 5, 2019 · N89ZC · Substantial damage
  > A fatigue failure of the overrunning clutch subassembly due to abnormal bending loads due to cracks on the center engine mount, which resulted in an inflight loss of power. Contributing to the accident was the helicopter's low altitude and airspeed when the…
- [NTSB WPR18FA188](https://openairdocs.org/ntsb/WPR18FA188.md): Hughes 369 · Majuro · Accident · 2 fatal · Field investigation · Final report · Jul 4, 2018 · N8648F · Destroyed
  > The pilot's failure to maintain clearance above the surface of the ocean.
- [NTSB CEN18FA182](https://openairdocs.org/ntsb/CEN18FA182.md): MD Helicopter 369D · Luling, LA · Accident · 1 fatal · Field investigation · Final report · May 20, 2018 · N362JS · Destroyed
  > The pilot's failure to maintain clearance from the powerline structure while hovering, which resulted in an inadvertent collision with the structure and an uncontrolled descent into terrain.
- [NTSB CEN13WA329](https://openairdocs.org/ntsb/CEN13WA329.md): Bell 206B · San Luis Potosí, Mexico · Accident · 4 fatal · Foreign investigation · Jun 7, 2013 · N207JA · Substantial damage
- [NTSB WPR13FA080](https://openairdocs.org/ntsb/WPR13FA080.md): Bell 206 · Delano, CA · Accident · 1 fatal · Field investigation · Final report · Jan 2, 2013 · N828AC · Destroyed
  > The pilot's failure to maintain helicopter control due to spatial disorientation while maneuvering in low visibility, dark night conditions.
- [NTSB SEA07LA135](https://openairdocs.org/ntsb/SEA07LA135.md): Hughes 369D · Columbus, MT · Accident · 1 fatal · Limited investigation · Final report · May 28, 2007 · N765HV · Destroyed
  > The fatigue failure of a turbine blade due to a localized over-temperature of the turbine section as result of a non-uniform fuel distribution by the fuel nozzle. Contributing to the accident was the close proximity of a power line support structure which…
- [NTSB DEN81FA035](https://openairdocs.org/ntsb/DEN81FA035-125362.md): Bell 206B · Evanston, WY · Accident · 1 fatal · Closed · May 18, 1981 · N39101 · 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."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 ('54385'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54385&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.