# NTSB Accident WPR13CA064
> **ROBINSON HELICOPTER COMPANY R44 II** · 2012-12-07 · Roosevelt Lake, AZ, USA · SERS
## Event
- **NTSB number:** WPR13CA064
- **Event ID:** 20121207X91829
- **Type:** Accident
- **Date:** 2012-12-07
- **Location:** Roosevelt Lake, AZ, USA
- **Coordinates:** 33.736667, -111.201667
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N557AC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's visual disorientation, which resulted in a collision with the lake.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR13CA064) · AI Analytics · CC0 1.0*