# NTSB investigations: Rolls-Royce 250-C300/A1, 2021

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 CEN22LA006](https://openairdocs.org/ntsb/CEN22LA006.md): Robinson Helicopter R66 · Delta, MO · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 5, 2021 · N266RK · Substantial damage
  > The pilot’s inadequate inflight planning and his failure to see and avoid a wire which resulted in contact with the wire and subsequent ground impact.
- [NTSB CEN21LA421](https://openairdocs.org/ntsb/CEN21LA421.md): Robinson Helicopter R66 · Reynoldsville, IL · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N166LW · Substantial damage
  > The pilot’s failure to maintain clearance from the wire during low altitude operations in windy conditions.
- [NTSB WPR21FA300](https://openairdocs.org/ntsb/WPR21FA300.md): Robinson Helicopter R66 · Colusa, CA · Accident · 4 fatal · Class 3 · Field · Final report · Aug 1, 2021 · N7000J · Destroyed
  > The pilot’s abrupt flight control input that led to mast bumping and a subsequent in-flight breakup.
- [NTSB CEN21LA348](https://openairdocs.org/ntsb/CEN21LA348.md): Robinson Helicopter R66 · Merry, NE · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 30, 2021 · N857TL · Substantial damage
  > The pilot’s failure to maintain clearance from a wire during a low-level aerial application flight.
- [NTSB ERA21LA270](https://openairdocs.org/ntsb/ERA21LA270.md): Robinson Helicopter R66 · Waxhaw, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2021 · N7078V · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines during a low-level aerial application flight.
- [NTSB ERA21LA171](https://openairdocs.org/ntsb/ERA21LA171.md): Robinson Helicopter R66 · Palmyra, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N577DD · Substantial damage
  > The pilot’s improper judgment to attempt a flight while impaired by medications, which resulted in the helicopter’s abnormal ground contact, loss of control, and collision with terrain.
- [NTSB CEN21LA154](https://openairdocs.org/ntsb/CEN21LA154.md): Robinson Helicopter R66 · Duson, LA · Accident · No injuries · Class 4 · Limited · Final report · Mar 9, 2021 · N49XB · Substantial damage
  > The uncertified pilot’s failure to maintain control of the helicopter when encountering a wind gust while hovering to land.
- [NTSB ANC21LA020](https://openairdocs.org/ntsb/ANC21LA020.md): Robinson Helicopter R66 · Kodiak, AK · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 3, 2021 · N1767 · Destroyed
  > An impact with ocean waters for reasons that could not be determined based on the available information.
- [NTSB ERA21LA121](https://openairdocs.org/ntsb/ERA21LA121.md): Robinson Helicopter R66 · Knoxville, TN · Accident · No injuries · Class 4 · Limited · Final report · Jan 30, 2021 · N660TN · Substantial damage
  > The pilot’s failure to maintain directional control of the helicopter, which resulted in rear portion of the right skid contacting the ground and a subsequent dynamic rollover.

## 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") = 2021
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54232'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54232&year=2021

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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.