# NTSB Accident DEN91FA049
> **BEECH F33A** · 1991-03-10 · STERLING, CO, USA · FATL
## Event
- **NTSB number:** DEN91FA049
- **Event ID:** 20001212X16585
- **Type:** Accident
- **Date:** 1991-03-10
- **Location:** STERLING, CO, USA
- **Coordinates:** 40.620899, -103.190071
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BEECH
- **Model:** F33A
- **Registration:** N4179S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

POOR JUDGEMENT OF THE PILOT AND HIS MISJUDGEMENT OF ALTITUDE WHILE BUZZING OVER GLASSY WATER.  HIS LACK OF VISUAL QUES TO JUDGE ALTITUDE OVER GLASSY WATER WAS A RELATED FACTOR.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN91FA049) · AI Analytics · CC0 1.0*