# NTSB investigations: Robinson Helicopter R44 II, OR

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 WPR25LA034](https://openairdocs.org/ntsb/WPR25LA034.md): Robinson Helicopter R44 II · Durkee, OR · Accident · No injuries · Class 3 · Limited · Final report · Nov 7, 2024 · N4361R · Substantial damage
  > The pilot's inadequate performance planning, which resulted in insufficient engine power to transition into an out-of-ground-effect hover at a high gross weight.
- [NTSB WPR20LA119](https://openairdocs.org/ntsb/WPR20LA119.md): Robinson R44 · Hillsboro, OR · Accident · No injuries · Class 3 · Limited · Final report · Apr 6, 2020 · N725GT · Substantial damage
  > The total loss of engine power during takeoff due to the delamination of the fuel servo induction air inlet duct tube.
- [NTSB WPR13CA354](https://openairdocs.org/ntsb/WPR13CA354.md): Robinson Helicopter R44 II · The Dalles, OR · Accident · No injuries · Data collection · Final report · Jun 25, 2013 · N74666 · Substantial damage
  > The pilot's failure to see and avoid wires while maneuvering at a low-altitude, which resulted in the main rotor blades striking the wires.
- [NTSB WPR12CA431](https://openairdocs.org/ntsb/WPR12CA431.md): Robinson Helicopter R44 II · McMinnville, OR · Accident · Minor injuries · Data collection · Final report · Sep 20, 2012 · N74744 · Substantial damage
  > The pilot's aggressive takeoff maneuver, which resulted in a loss of control.
- [NTSB SEA06FA159](https://openairdocs.org/ntsb/SEA06FA159.md): Robinson R44 II · Warrenton, OR · Accident · 3 fatal · Field investigation · Final report · Aug 13, 2006 · N168PT · Destroyed
  > The pilot's intentional flight into instrument meteorological conditions while maneuvering which resulted in an in flight collision with terrain/water.

## 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" = 'OR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640122&state=OR

---
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.