# NTSB Accident NYC00LA156
> **STEWART S-51** · 2000-06-09 · FORTY FORT, PA, USA · MINR
## Event
- **NTSB number:** NYC00LA156
- **Event ID:** 20031008X01675
- **Type:** Accident
- **Date:** 2000-06-09
- **Location:** FORTY FORT, PA, USA
- **Coordinates:** 41.296943, -75.851112
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** STEWART
- **Model:** S-51
- **Registration:** N51FY
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The owner/builder's inadequate design, resulting in total failure of the reduction gear assembly accessory drive shaft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC00LA156) · AI Analytics · CC0 1.0*