# Fatal NTSB investigations: Rolls-Royce 250-C47B

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 ERA27FA010](https://openairdocs.org/ntsb/ERA27FA010.md): Bell 407 · Myakka City, FL · Accident · 1 fatal · Class 3 · Field · Investigation open · Oct 16, 2026 · N618TS
- [NTSB ERA26FA309](https://openairdocs.org/ntsb/ERA26FA309.md): Cessna 150 · Carlisle, PA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 19, 2026 · N23330 · 2 aircraft · Destroyed
  > On August 19, 2026, at 1852 eastern daylight time, a Bell Helicopter Textron Canada 407, N873ST, and a Cessna 150H airplane, N23330, collided in flight near Carlisle, Pennsylvania. The two commercial pilots onboard the helicopter were seriously injured, and…
- [NTSB WPR26FA098](https://openairdocs.org/ntsb/WPR26FA098.md): Bell 407 · Flagstaff, AZ · Accident · 2 fatal · Class 3 · Field · Preliminary report · Feb 5, 2026 · N56AZ · Destroyed
  > On February 4, 2026, at 2216 mountain standard time, a Bell 407 helicopter, N56AZ, was substantially damaged when it was involved in an accident near Flagstaff, Arizona. The pilot and tactical flight officer (TFO) were fatally injured. The helicopter was…
- [NTSB ERA24FA003](https://openairdocs.org/ntsb/ERA24FA003.md): Bell Helicopter Textron Canada 407 · Croydon, NH · Accident · 1 fatal · Class 3 · Field · Final report · Oct 8, 2023 · N802JR · Substantial damage
  > The pilot’s loss of control during the initial climb in dark night conditions due to spatial disorientation, which resulted in a steep banking descent into trees and terrain. Contributing to the accident was the pilot’s lack of recent night flight experience,…
- [NTSB CEN23FA071](https://openairdocs.org/ntsb/CEN23FA071.md): Bell 407 · Galliano, LA · Accident · 4 fatal · Class 3 · Field · Final report · Dec 29, 2022 · N595RL · Substantial damage
  > The pilot’s failure to ensure the helicopter was clear of obstacles before takeoff from the helideck, which resulted in the helicopter’s right landing skid pivoting about a helideck perimeter light during takeoff and a dynamic rollover. Additionally, the…
- [NTSB CEN19FA072](https://openairdocs.org/ntsb/CEN19FA072.md): Bell 407 · Zaleski, OH · Accident · 3 fatal · Class 1 · Field · Final report · Jan 29, 2019 · N191SF · Destroyed
  > The NTSB determines that the probable cause of this accident was Survival Flight's inadequate management of safety, which normalized pilots' and operations control specialists' noncompliance with risk analysis procedures and resulted in the initiation of the…
- [NTSB CEN18FA033](https://openairdocs.org/ntsb/CEN18FA033.md): Bell Helicopter Textron Canada 407 · Stuttgart, AR · Accident · 3 fatal · Field investigation · Final report · Nov 20, 2017 · N620PA · Destroyed
  > An in-flight loss of control due to bird strikes.
- [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage
  > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.
- [NTSB CEN13FA122](https://openairdocs.org/ntsb/CEN13FA122.md): Bell Helicopter 407 · Clear Lake, IA · Accident · 3 fatal · Field investigation · Final report · Jan 3, 2013 · N445MT · Destroyed
  > The pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control.
- [NTSB ERA13FA014](https://openairdocs.org/ntsb/ERA13FA014.md): Bell 407 · Coolbaugh Township, PA · Accident · 2 fatal · Field investigation · Final report · Oct 10, 2012 · N108MF · Substantial damage
  > The pilot’s decision to continue visual flight rules flight into instrument meteorological conditions due to self-imposed pressure to complete the trip, which resulted in impact with trees and terrain.
- [NTSB WPR12GA106](https://openairdocs.org/ntsb/WPR12GA106.md): Bell 407 · Moran Junction, WY · Accident · 1 fatal · Final report · Feb 15, 2012 · N407HL · Substantial damage
  > The pilot’s failure to maintain yaw control while hovering at high density altitude, which resulted in a loss of tail rotor effectiveness.
- [NTSB DEN08FA101](https://openairdocs.org/ntsb/DEN08FA101.md): Bell 407 · Huntsville, TX · Accident · 4 fatal · Field investigation · Final report · Jun 8, 2008 · N416PH · Destroyed
  > The pilot's failure to identify and arrest the helicopter's descent, which resulted in its impact with terrain. Contributing to the accident was the limited outside visual reference due to the dark night conditions.
- [NTSB FTW04FA097](https://openairdocs.org/ntsb/FTW04FA097.md): Bell 407 · Pyote, TX · Accident · 4 fatal · Field investigation · Final report · Mar 21, 2004 · N502MT · Destroyed
  > The pilot's inadvertent encounter with adverse weather, which resulted in the pilot failing to maintain terrain clearance. Contributing factors were the dark night conditions, the pilot's inadequate preflight preparation and planning, and the pressure 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 ('54585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54585&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.
