# NTSB Incident DEN04IA059
> **Beech 1900D** · 2004-04-09 · Denver, CO, USA · NONE
## Event
- **NTSB number:** DEN04IA059
- **Event ID:** 20040413X00453
- **Type:** Incident
- **Date:** 2004-04-09
- **Location:** Denver, CO, USA
- **Coordinates:** 39.858612, -104.666946
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Beech
- **Model:** 1900D
- **Registration:** N210GL
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

arcing of the windshield deicing system.  Factors contributing to the incident were the improper inspection of the windshield's exterior seal, deterioration of the windshield seal, and water penetration through the deteriorated seal.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN04IA059) · AI Analytics · CC0 1.0*