# NTSB Accident WPR11FA350
> **SIKORSKY S-55B** · 2011-07-25 · Chelan, WA, USA · FATL
## Event
- **NTSB number:** WPR11FA350
- **Event ID:** 20110725X05443
- **Type:** Accident
- **Date:** 2011-07-25
- **Location:** Chelan, WA, USA
- **Coordinates:** 47.890834, -120.068054
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** SIKORSKY
- **Model:** S-55B
- **Registration:** N5663
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maintain clearance from power lines while maneuvering at a low altitude.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11FA350) · AI Analytics · CC0 1.0*