# NTSB Accident ANC13FA017
> **EUROCOPTER AS350 B3** · 2012-12-15 · Beluga, AK, USA · SERS
## Event
- **NTSB number:** ANC13FA017
- **Event ID:** 20121215X13232
- **Type:** Accident
- **Date:** 2012-12-15
- **Location:** Beluga, AK, USA
- **Coordinates:** 55.919342, -159.490402
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS350 B3
- **Registration:** C-GYPH
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to stabilize the external load, which led to the synthetic long-line separating about midspan and the remaining line becoming entangled in the tail rotor gearbox output shaft and resulted in the separation of the tail rotor gearbox and subsequent loss of control. Contributing to the accident was the pilot's inadequate training.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC13FA017) · AI Analytics · CC0 1.0*