# NTSB investigations: Rolls-Royce 250-C47B, 2023

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 ERA24LA045](https://openairdocs.org/ntsb/ERA24LA045.md): Bell 407 · Chesterfield, VA · Accident · No injuries · Class 4 · Limited · Final report · Nov 16, 2023 · N26VA · Substantial damage
  > A hard landing, which resulted in a main rotor strike of the left vertical stablizer.
- [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 ERA23LA319](https://openairdocs.org/ntsb/ERA23LA319.md): Bell Helicopter Textron Canada 407 · North Charleston, SC · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 1, 2023 · N31PB · Substantial damage
  > A failure of the tail rotor pitch change lever assembly due to incorrectly installed bolts and maintenance personnel’s inadequate inspection of the tail rotor control system.

## 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") = 2023
  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&year=2023

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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.