# NTSB Accident ATL96LA129
> **Bell 47G-4A (SOLOY)** · 1996-09-19 · BELMONT, MS, USA · MINR
## Event
- **NTSB number:** ATL96LA129
- **Event ID:** 20001208X06680
- **Type:** Accident
- **Date:** 1996-09-19
- **Location:** BELMONT, MS, USA
- **Coordinates:** 34.499095, -88.20095
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Bell
- **Model:** 47G-4A (SOLOY)
- **Registration:** N23PH
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

failure of the aft universal joint of the tail rotor drive shaft, due to inadequate lubrication by company maintenance personnel.  A factor relating to the accident was the pilot's delay in discontinuing the flight after noting a progressively worse tail rotor drive vibration.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL96LA129) · AI Analytics · CC0 1.0*