# NTSB Accident CEN11LA099
> **BOEING 747-47UF** · 2010-12-05 · Chicago, IL, USA · NONE
## Event
- **NTSB number:** CEN11LA099
- **Event ID:** 20101208X40921
- **Type:** Accident
- **Date:** 2010-12-05
- **Location:** Chicago, IL, USA
- **Coordinates:** 41.981388, -87.906669
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 37
- **Total aboard:** 37
## Aircraft
- **Make:** BOEING
- **Model:** 747-47UF
- **Registration:** N499MC
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** MINR
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The Boeing 747 first officer’s failure to maintain clearance from another airplane while taxiing due to his inadequate judgment of the distance between the airplanes.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN11LA099) · AI Analytics · CC0 1.0*