# NTSB Accident DEN89FA146
> **BEECH 35** · 1989-06-24 · GLENROCK, WY, USA · FATL
## Event
- **NTSB number:** DEN89FA146
- **Event ID:** 20001213X28547
- **Type:** Accident
- **Date:** 1989-06-24
- **Location:** GLENROCK, WY, USA
- **Coordinates:** 42.849781, -105.849372
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BEECH
- **Model:** 35
- **Registration:** N1887D
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

PROPER ALTITUDE NOT MAINTAINED BY THE PILOT. THE WEATHER/NIGHT CONDITIONS AND PILOT FATIGUE WERE CONSIDERED TO BE CONTRIBUTING FACTORS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89FA146) · AI Analytics · CC0 1.0*