# NTSB Accident CHI90LA274
> **Burkhart Grob 109A** · 1990-09-26 · WAUKESHA, WI, USA · MINR
## Event
- **NTSB number:** CHI90LA274
- **Event ID:** 20001212X24233
- **Type:** Accident
- **Date:** 1990-09-26
- **Location:** WAUKESHA, WI, USA
- **Coordinates:** 43.009742, -88.229286
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** Burkhart Grob
- **Model:** 109A
- **Registration:** N912G
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE AND VISUAL LOOKOUT FOR THE MOVING TRACTOR.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90LA274) · AI Analytics · CC0 1.0*