# NTSB Incident CHI88IA074
> **SWEARINGEN SA226T** · 1988-03-07 · CHICAGO, IL, USA · NONE
## Event
- **NTSB number:** CHI88IA074
- **Event ID:** 20001213X25232
- **Type:** Incident
- **Date:** 1988-03-07
- **Location:** CHICAGO, IL, USA
- **Coordinates:** 41.869743, -87.619705
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 17
- **Total aboard:** 17
## Aircraft
- **Make:** SWEARINGEN
- **Model:** SA226T
- **Registration:** N600TA
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

THE TRACON SUPERVISOR FAILED TO COMPLY WITH THE ESTABLISHED VISUAL MINIMA CRITERIA AND HIS INCORRECT ISSUANCE OF VISUAL APPROACH TO AN ARRIVING AIRCRAFT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI88IA074) · AI Analytics · CC0 1.0*