# NTSB Accident ANC90LA147
> **AEROSPATIALE AS-350-B** · 1990-08-17 · JUNEAU, AK, USA · NONE
## Event
- **NTSB number:** ANC90LA147
- **Event ID:** 20001212X23867
- **Type:** Accident
- **Date:** 1990-08-17
- **Location:** JUNEAU, AK, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 6
- **Total aboard:** 6
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** AS-350-B
- **Registration:** N26492
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE OF THE FREE TURBINE INTERMEDIATE PINION DRIVEN GEAR AND SUBSEQUENT DISINTEGRATION OF THE FREE TURBINE ASSEMBLY.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC90LA147) · AI Analytics · CC0 1.0*