# NTSB Accident DEN90LA180
> **BELL 47G-3B1** · 1990-09-02 · CANON CITY, CO, USA · MINR
## Event
- **NTSB number:** DEN90LA180
- **Event ID:** 20001212X24244
- **Type:** Accident
- **Date:** 1990-09-02
- **Location:** CANON CITY, CO, USA
- **Coordinates:** 38.440189, -105.230621
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BELL
- **Model:** 47G-3B1
- **Registration:** N73957
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN AN ADEQUATE PATTERN ALTITUDE AND THE POSSIBLE EXISTENCE OF ADVERSE WINDS DUE TO THE SURROUNDING TERRAIN.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA180) · AI Analytics · CC0 1.0*