# NTSB Accident CEN11FA144
> **GATES LEARJET CORP. 35A** · 2011-01-06 · Springfield, IL, USA · MINR
## Event
- **NTSB number:** CEN11FA144
- **Event ID:** 20110106X45446
- **Type:** Accident
- **Date:** 2011-01-06
- **Location:** Springfield, IL, USA
- **Coordinates:** 39.844165, -89.678054
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 4
- **Total aboard:** 6
## Aircraft
- **Make:** GATES LEARJET CORP.
- **Model:** 35A
- **Registration:** N800GP
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s decision to conduct an instrument approach in icing conditions without the anti-ice system activated, contrary to the airplane flight manual guidance, which resulted in an inadvertent aerodynamic stall due to an in-flight accumulation of airframe icing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN11FA144) · AI Analytics · CC0 1.0*