# NTSB Accident ANC15LA076
> **AIRBUS AS-350** · 2015-05-04 · Hamilton, MT, USA · NONE
## Event
- **NTSB number:** ANC15LA076
- **Event ID:** 20150521X91139
- **Type:** Accident
- **Date:** 2015-05-04
- **Location:** Hamilton, MT, USA
- **Coordinates:** 46.251667, -114.12555
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** AIRBUS
- **Model:** AS-350
- **Registration:** N504WD
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's excessive collective application during an autorotation. Contributing to the accident was the flight instructor's inadequate supervision of the training flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC15LA076) · MORVS · CC0 1.0*