# NTSB Accident CHI99FA238
> **Piper PA-28-181** · 1999-07-17 · YORKVILLE, IL, USA · FATL
## Event
- **NTSB number:** CHI99FA238
- **Event ID:** 20001212X19167
- **Type:** Accident
- **Date:** 1999-07-17
- **Location:** YORKVILLE, IL, USA
- **Coordinates:** 41.639774, -88.440086
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Piper
- **Model:** PA-28-181
- **Registration:** N5054F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

the pilot continuing into known adverse weather conditions, attempting low altitude flight, and not maintaining terrain clearance.  Factors to the accident were the thunderstorm and the improper weather evaluation by the pilot following pre-departure and in-flight weather briefings.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99FA238) · AI Analytics · CC0 1.0*