# NTSB Accident CHI95FA071
> **BACON QUESTAIR-VENTURE** · 1995-01-21 · DES MOINES, IA, USA · FATL
## Event
- **NTSB number:** CHI95FA071
- **Event ID:** 20001207X02831
- **Type:** Accident
- **Date:** 1995-01-21
- **Location:** DES MOINES, IA, USA
- **Coordinates:** 41.529232, -93.659568
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BACON
- **Model:** QUESTAIR-VENTURE
- **Registration:** N4QV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain aircraft control during the emergency descent, resulting in a stall/spin.  Factors were material defects in the material used to manufacture the crankshaft, resulting in the crankshaft fracturing after approximately 200 hours in service.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI95FA071) · AI Analytics · CC0 1.0*