# NTSB Accident CHI89DEM07
> **BRADLEY S-1D** · 1989-08-27 · MT PLEASANT, MI, USA · MINR
## Event
- **NTSB number:** CHI89DEM07
- **Event ID:** 20001213X29060
- **Type:** Accident
- **Date:** 1989-08-27
- **Location:** MT PLEASANT, MI, USA
- **Coordinates:** 43.589363, -84.769371
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BRADLEY
- **Model:** S-1D
- **Registration:** N787PA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE TAIL WHEEL SPRING BECOMING DISCONNECTED RESULTING IN THE PILOT'S INABILITY TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRPLANE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI89DEM07) · AI Analytics · CC0 1.0*