# NTSB Accident CHI91DEP08
> **JACK THOMAS PITTS S-IT** · 1991-06-16 · KENOSHA, WI, USA · FATL
## Event
- **NTSB number:** CHI91DEP08
- **Event ID:** 20001212X17195
- **Type:** Accident
- **Date:** 1991-06-16
- **Location:** KENOSHA, WI, USA
- **Coordinates:** 42.620948, -87.829704
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** JACK THOMAS
- **Model:** PITTS S-IT
- **Registration:** N83AM
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER MAINTENANCE, BY PERSON OR PERSONS UNKNOWN, TO THE ELEVATOR CONTROL SYSTEM WHICH ALLOWED A BOLT ATTACHING THE ELEVATOR CONTROL ROD TO THE PITCH BELLCRANK TO BECOME DISCONNECTED DURING FLIGHT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91DEP08) · AI Analytics · CC0 1.0*