# NTSB Incident CHI01IA055
> **Embraer EMB-135LR** · 2000-12-28 · CHICAGO, IL, USA · NONE
## Event
- **NTSB number:** CHI01IA055
- **Event ID:** 20010105X00017
- **Type:** Incident
- **Date:** 2000-12-28
- **Location:** CHICAGO, IL, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 12
- **Total aboard:** 12
## Aircraft
- **Make:** Embraer
- **Model:** EMB-135LR
- **Registration:** N721HS
- **FAR Part:** 121
- **Engines:** —
- **Damage:** —
## Conditions
- **Light:** NR
- **Weather:** VMC
## Probable cause

The jammed horizontal stabilizer trim that occurred during the airplane's initial climb after takeoff.  Factors relating to the incident were the inadequate capability of the horizontal stabilizer trim actuator to move the stabilizer during all flight phases, and the inadequate design of the system by the manufacturer.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI01IA055) · AI Analytics · CC0 1.0*