# NTSB Accident CHI99LA145
> **Boeing 737-222** · 1999-05-06 · CHICAGO, IL, USA · SERS
## Event
- **NTSB number:** CHI99LA145
- **Event ID:** 20001212X18718
- **Type:** Accident
- **Date:** 1999-05-06
- **Location:** CHICAGO, IL, USA
- **Coordinates:** 41.779529, -87.770088
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 47
- **Total aboard:** 48
## Aircraft
- **Make:** Boeing
- **Model:** 737-222
- **Registration:** N208AU
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

the flight attendants did not follow the cockpit crews instructions to be seated because of expected turbulence.  A factor associated with the accident was the turbulence encountered.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA145) · AI Analytics · CC0 1.0*