# NTSB investigations: Rolls-Royce 250-C20B, NV

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 WPR13CA204](https://openairdocs.org/ntsb/WPR13CA204.md): Bell 206B · Wells, NV · Accident · No injuries · Data collection · Final report · Apr 20, 2013 · N4237M · Substantial damage
  > The pilot's failure to maintain clearance from an obstacle while maneuvering at a low altitude.
- [NTSB LAX01LA079](https://openairdocs.org/ntsb/LAX01LA079.md): Hughes 369D · Ely, NV · Accident · No injuries · Limited investigation · Final report · Jan 23, 2001 · N8353F · Substantial damage
  > The mechanic's inadvertent activation of the bleed valve, which resulted in a loss of engine oil and loss of engine power while in cruise flight.
- [NTSB LAX84LA117](https://openairdocs.org/ntsb/LAX84LA117.md): Bell 206B III · Mountain City, NV · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 1983 · N206JH · Substantial damage
  > The helicopter collided with the snow covered ground after the eng quit during a power-line patrol at about 30 ft AGL. The plt reported that the visibility was 1/2 mile with light snow falling. He also said he could see 4 to 7 of the supporting structures.…

## 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."eventStateOrRegion" = 'NV' AND c."eventCountry" = 'USA'
  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&state=NV

---
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.