# NTSB Accident ATL98LA031
> **Christopher Coats CHALLENGER II** · 1998-01-17 · EVERGREEN, AL, USA · NONE
## Event
- **NTSB number:** ATL98LA031
- **Event ID:** 20001211X09394
- **Type:** Accident
- **Date:** 1998-01-17
- **Location:** EVERGREEN, AL, USA
- **Coordinates:** 31.430099, -86.949607
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Christopher Coats
- **Model:** CHALLENGER II
- **Registration:** N132BC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The undetermined failure of the propeller bolts that resulted in the inflight separation of the propeller assembly. A factor was the overpass bridge.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL98LA031) · AI Analytics · CC0 1.0*