# NTSB Incident CHI99IA144
> **Cessna 206H** · 1999-04-26 · WHEELING, IL, USA · NONE
## Event
- **NTSB number:** CHI99IA144
- **Event ID:** 20001205X00431
- **Type:** Incident
- **Date:** 1999-04-26
- **Location:** WHEELING, IL, USA
- **Coordinates:** 42.130645, -87.920455
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Cessna
- **Model:** 206H
- **Registration:** N42122
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** —
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

improper installation of the aileron control bellcrank stop bolts and lock nuts during the manufacturing process which resulted in a binding aileron control surface.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99IA144) · AI Analytics · CC0 1.0*