# NTSB Accident ATL89LA212
> **SIKORSKY H-34J** · 1989-09-15 · LOUISVILLE, GA, USA · NONE
## Event
- **NTSB number:** ATL89LA212
- **Event ID:** 20001213X29300
- **Type:** Accident
- **Date:** 1989-09-15
- **Location:** LOUISVILLE, GA, USA
- **Coordinates:** 32.989925, -82.3992
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** SIKORSKY
- **Model:** H-34J
- **Registration:** N4556D
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

AN UNDETERMINED MALFUNCTION OF THE MAIN ROTOR DRIVE SYSTEM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL89LA212) · AI Analytics · CC0 1.0*