# NTSB Accident ANC11LA108
> **EUROCOPTER AS 350 BA** · 2011-09-26 · Juneau, AK, USA · NONE
## Event
- **NTSB number:** ANC11LA108
- **Event ID:** 20110926X93752
- **Type:** Accident
- **Date:** 2011-09-26
- **Location:** Juneau, AK, USA
- **Coordinates:** 58.700553, -134.851943
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS 350 BA
- **Registration:** N230CH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Upslope wind conditions while the helicopter was operating at ground idle, which resulted in the helicopter rollover. Contributing to the accident was the lack of manufacturer data regarding the effect of upslope wind conditions on helicopter ground idle operations.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC11LA108) · AI Analytics · CC0 1.0*