# NTSB Accident DEN91LA063
> **CESSNA 172** · 1991-04-22 · STEAMBOAT SPRIN, CO, USA · MINR
## Event
- **NTSB number:** DEN91LA063
- **Event ID:** 20001212X16778
- **Type:** Accident
- **Date:** 1991-04-22
- **Location:** STEAMBOAT SPRIN, CO, USA
- **Coordinates:** 40.490779, -106.830413
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172
- **Registration:** N6231K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE CFI USED POOR JUDGEMENT IN GIVING A SIMULATED ENGINE FAILURE BY TURNING OFF THE FUEL SELECTOR VALVE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN91LA063) · AI Analytics · CC0 1.0*