# NTSB Accident CHI99LA122
> **Mooney M20J** · 1999-04-07 · VIENNA, IL, USA · SERS
## Event
- **NTSB number:** CHI99LA122
- **Event ID:** 20001205X00432
- **Type:** Accident
- **Date:** 1999-04-07
- **Location:** VIENNA, IL, USA
- **Coordinates:** 37.410717, -88.890754
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Mooney
- **Model:** M20J
- **Registration:** N9969X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The worn ignition points/cam follower assembly, and uneven landing terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA122) · AI Analytics · CC0 1.0*