# NTSB Accident CHI97LA078
> **Boeing 757-2Q8** · 1997-03-02 · CHICAGO, IL, USA · SERS
## Event
- **NTSB number:** CHI97LA078
- **Event ID:** 20001208X07501
- **Type:** Accident
- **Date:** 1997-03-02
- **Location:** CHICAGO, IL, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 4
- **Minor:** 18
- **Uninjured:** 180
- **Total aboard:** 202
## Aircraft
- **Make:** Boeing
- **Model:** 757-2Q8
- **Registration:** N755AT
- **FAR Part:** 129
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

Clear air turbulence.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI97LA078) · AI Analytics · CC0 1.0*