# NTSB Accident DEN90DTE04
> **OLSEN PURSUIT** · 1990-07-23 · FOWLER, CO, USA · FATL
## Event
- **NTSB number:** DEN90DTE04
- **Event ID:** 20001212X23668
- **Type:** Accident
- **Date:** 1990-07-23
- **Location:** FOWLER, CO, USA
- **Coordinates:** 38.119316, -104.019401
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** OLSEN
- **Model:** PURSUIT
- **Registration:** N23GG
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED ON FINAL APPROACH TO LAND, WHICH RESULTED IN AN INADVERTENT STALL. A FACTOR RELATE TO THE ACCIDENT WAS: THE PILOT'S PHYSICAL IMPAIRMENT FROM CARBON MONOXIDE.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90DTE04) · AI Analytics · CC0 1.0*