# NTSB Accident ATL97LA091
> **Beech E50** · 1997-06-28 · TULLAHOMA, TN, USA · SERS
## Event
- **NTSB number:** ATL97LA091
- **Event ID:** 20001208X08064
- **Type:** Accident
- **Date:** 1997-06-28
- **Location:** TULLAHOMA, TN, USA
- **Coordinates:** 35.370285, -86.200981
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 7
- **Uninjured:** 0
- **Total aboard:** 9
## Aircraft
- **Make:** Beech
- **Model:** E50
- **Registration:** N4265R
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

improper operation of the engine that produced internal damage, and improper servicing of the airplane by the owner/pilot mechanic that resulted in the subsequent mechanical failure of the engine crankshaft counterweight. Contributing to the accident was the pilot's inability to feather the propeller.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL97LA091) · AI Analytics · CC0 1.0*