# NTSB Accident CHI06LA099
> **Boeing 757-222** · 2006-03-15 · Omaha, NE, USA · SERS
## Event
- **NTSB number:** CHI06LA099
- **Event ID:** 20060329X00359
- **Type:** Accident
- **Date:** 2006-03-15
- **Location:** Omaha, NE, USA
- **Coordinates:** 41.303054, -95.894165
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 97
- **Total aboard:** 98
## Aircraft
- **Make:** Boeing
- **Model:** 757-222
- **Registration:** N518UA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An inadvertent encounter with unforecast mountain wave turbulence during cruise flight.  A contributing factor was the mountain wave (terrain induced) turbulence.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI06LA099) · AI Analytics · CC0 1.0*