# NTSB Incident CHI00IA037
> **British Aerospace BAE 146-200A** · 1999-12-01 · CHICAGO, IL, USA · MINR
## Event
- **NTSB number:** CHI00IA037
- **Event ID:** 20001212X20200
- **Type:** Incident
- **Date:** 1999-12-01
- **Location:** CHICAGO, IL, USA
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 48
- **Total aboard:** 49
## Aircraft
- **Make:** British Aerospace
- **Model:** BAE 146-200A
- **Registration:** N606AW
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** Unk
## Probable cause

An undetermined failure in the hydraulic system, which resulted in the airplane's entire braking system becoming temporarily inoperative.  A factor associated with the incident was the airport terminal building that was contacted by the airplane.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI00IA037) · AI Analytics · CC0 1.0*