# NTSB Accident WPR13FA343
> **ROBINSON HELICOPTER COMPANY R44 II** · 2013-07-27 · Thompson Falls, MT, USA · FATL
## Event
- **NTSB number:** WPR13FA343
- **Event ID:** 20130727X31220
- **Type:** Accident
- **Date:** 2013-07-27
- **Location:** Thompson Falls, MT, USA
- **Coordinates:** 47.546665, -115.520278
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N25WH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain helicopter control while operating in conditions conducive to a loss of tail rotor effectiveness.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR13FA343) · AI Analytics · CC0 1.0*