# NTSB Accident ERA11LA415
> **Polaris Polar Star** · 2011-07-20 · Dewees Island, SC, USA · FATL
## Event
- **NTSB number:** ERA11LA415
- **Event ID:** 20110723X90556
- **Type:** Accident
- **Date:** 2011-07-20
- **Location:** Dewees Island, SC, USA
- **Coordinates:** 32.851665, -79.717781
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Polaris
- **Model:** Polar Star
- **Registration:** UNREG
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The non-certificated pilot’s operation of the unregistered airplane while impaired by alcohol. Contributing to the accident was the pilot’s performance of aerobatic maneuvers that exceeded the structural limits of the aircraft, which resulted in failure of the wing due to overload.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA11LA415) · AI Analytics · CC0 1.0*