# NTSB Accident DEN90FA033
> **BEECH B35-A33** · 1989-12-16 · CASTLE ROCK, CO, USA · FATL
## Event
- **NTSB number:** DEN90FA033
- **Event ID:** 20001213X29946
- **Type:** Accident
- **Date:** 1989-12-16
- **Location:** CASTLE ROCK, CO, USA
- **Coordinates:** 39.370048, -104.850318
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BEECH
- **Model:** B35-A33
- **Registration:** N477T
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE PILOT'S LOSS OF CONTROL AS A RESULT OF SPATIAL DISORIENTATION. FACTORS RELATED TO THE ACCIDENT WERE: THE ADVERSE WEATHER CONDITIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90FA033) · AI Analytics · CC0 1.0*