# NTSB Accident GAA17CA491
> **ROBINSON HELICOPTER R44** · 2017-08-14 · Westby, WI, USA · NONE
## Event
- **NTSB number:** GAA17CA491
- **Event ID:** 20170816X75406
- **Type:** Accident
- **Date:** 2017-08-14
- **Location:** Westby, WI, USA
- **Coordinates:** 43.660278, -90.861114
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R44
- **Registration:** N97UP
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to see and avoid power lines while maneuvering at low altitude.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA17CA491) · AI Analytics · CC0 1.0*