# NTSB Accident WPR09LA411
> **ROBINSON R44** · 2009-08-21 · Tonopah, NV, USA · SERS
## Event
- **NTSB number:** WPR09LA411
- **Event ID:** 20090821X92524
- **Type:** Accident
- **Date:** 2009-08-21
- **Location:** Tonopah, NV, USA
- **Coordinates:** 38.117778, -117.715835
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** ROBINSON
- **Model:** R44
- **Registration:** N19DV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maneuver the helicopter within its performance capabilities while at a low altitude in mountainous terrain and in high density altitude conditions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA411) · AI Analytics · CC0 1.0*