# NTSB Accident CHI00LA277
> **Bell 47G-2** · 2000-08-31 · SPRING BROOK, WI, USA · NONE
## Event
- **NTSB number:** CHI00LA277
- **Event ID:** 20001212X21693
- **Type:** Accident
- **Date:** 2000-08-31
- **Location:** SPRING BROOK, WI, USA
- **Coordinates:** 45.940654, -91.679077
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Bell
- **Model:** 47G-2
- **Registration:** N67083
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A fatigue failure of the tail rotor drive gear shaft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI00LA277) · AI Analytics · CC0 1.0*